{"title":"askar","description":"","products":[{"product_id":"askar-fra500","title":"Askar FRA500 f\/5.6 Quintuplet","description":"Sharpstar Optics introduces Askar FRA500 astrograph, which is the youngest among the well-known FRA- family, to our customers. Compared with its siblings, the 500mm-focal-length refractor has an aperture size of 90mm (f\/5.6), so Askar FRA500 can better fit into the scenarios of deep-sky imaging than Askar FRA400. Besides, its more lightweight and compact than Askar FRA600, which makes it a great choice for out-door observation or astrophotography.\u003cbr\u003e\u003cbr\u003eAskar FRA500 has inherited the legacies of superior FRA- series designing. It boasts a quintuplet air-spaced APO optical structure, a “three plus two” Petzval lens combination. The front lens group consists of three lenses (including two pieces of ED glass) for excellent correction of aberrations. The posterior group is composed of two lenses separated by small space which is able to provide fine sharpness across the whole image. You may barely detect any blurry star at the edge of the image. FRA500 supports an image circle of amazing 55mm, much larger than the standard 44mm full-frame image circle. Its special back-focus design frees users from calculating confusing back-focus distance or rummaging around for a proper spacer. What you need to focus on is just to make your target stay in focus.\u003cbr\u003e\u003cbr\u003eAskar FRA500 is typically a wonderful mix of pragmatism and aesthetics. The astrograph shows smooth lines and a sound layout of components. From the front, the Askar FRA500 has an impressive dew shield decorated with a classic bright-red bezel ring. The total length of FRA500 is 452mm when the dew shield is stretched out and 410mm when contracted back. At the tail end of the astrograph locates a 3.5\" massively-built focuser with dual-speed hand knobs (twin knobs for coarse adjustment and one 1:10 fine adjustment knob), which is of great use in real observation or astrophotography. The astrograph wears smooth coating and is evenly finished. The graduation inside of the focuser is quite clear and easily readable. The focuser is tough and solid, and on the left side of it, there is a standard finder base with a silver thumb screw. So the FRA500 can piggyback carry finders, guiders or other potential astronomy accessories. Askar FRA500 comes also with a pair of sought-after tube rings. On the top of the tube rings attached a handle and at the bottom, there is an Askar Losmandy-style dovetail plate. The combination of milk-white main tube and dew shield together with a high-gloss piano-black focuser makes the optical tube assembly calm and deep which is offset by the bright red decorative ring and tube rings.\u003cbr\u003e\u003cbr\u003eThe Askar FRA500 is 410mm long and weighs about 4kg , so it’s quite convenient for users to carry around or mount on an EQ mount. It’s particularly suitable for astronomy enthusiasts who frequently engage in long-distance trips or out-door astrophotography. Askar FRA500 together with the FRA- family is well received for large aperture, fast speed, delicate focusing system, unique optical design and the subsequently high-quality imaging results. Wish the Askar FRA500 be a loyal companion alongside your journey of astrophotography.","brand":"Sharpstar","offers":[{"title":"Default Title","offer_id":43939261513982,"sku":"","price":1999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2129\/9429\/products\/scope1.png?v=1679261946"},{"product_id":"askar-130phq","title":"Askar 130PHQ f\/7.7 Quadruplet","description":"130PHQ is a long-focal-ratio, flatfield astrograph newly launched after 107PHQ. Instead of buying extra flatteners, calculating the backfocus of flattener or making tedious connection to match the distance, astrophotographers can simply equip it with any possible imaging devices, make the target stay at the focus, and then the whole optical system is perfect for imaging. 130PHQ has a larger size than 107PHQ, with an aperture 23mm larger than 107PHQ. 130PHQ has a focal ratio of f\/7.7 which is longer than 107PHQ’ s f\/7, and a focal length of 1000mm. The quadruplet lens with two ED glasses offers excellent control of chromatic and other aberrations. With its self-flattening design, 130PHQ offers strong advantages in astronomical shooting. It supports a medium frame 60mm image circle, has a fine spot diagram with tiny distortion of the peripheral stars, and its central RMS radius is less than 2 microns.","brand":"Sharpstar","offers":[{"title":"Default Title","offer_id":43939279896830,"sku":"","price":3499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2129\/9429\/products\/scope1_118c5225-f5a5-4acb-a4db-4fe068041883.png?v=1679263373"},{"product_id":"f3-9-full-frame-reducer-for-fra400-fra500","title":"F3.9 Full Frame Reducer for FRA400\/FRA500","description":"Askar provides a brand-new F3.9 full frame reducer for FRA400 astrograph, further reducing the focal length and thus shortening the exposure time on its original 400 focal length and f\/5.6 focal ratio design basis. The reduction factor is 0.7×, and the reduced focal length is 280mm, which can satisfy most deep-sky astrophotography. The back focus is standard 55mm. The reducer has built-in M48×0.75 thread, easy for the attachment of 2\" filters.","brand":"Sharpstar","offers":[{"title":"Default Title","offer_id":43939288678654,"sku":"","price":274.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2129\/9429\/products\/cap1.jpg?v=1679263740"},{"product_id":"zwo-am5-with-askar-fra500-sale-bundle","title":"ZWO AM5N\/AM3N with ASKAR FRA Sale Bundle!","description":"\u003cp\u003eFor a limited time when you purchase the Askar FRA with the ZWO AM5N\/AM3 (with Tripod), \u003cstrong\u003ereceive $100 off!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eZWO AM3N \u0026amp; AM5N Equatorial Mount with Harmonic Drive Gears\u003c\/b\u003e\u003cbr\u003eWith the Harmonic Equatorial Mount AM3, ZWO offers a transportable mount for astrophotography. The mount weighs less than 4 kg and carries telescopes up to 8 kg \u0026amp; AM5N carries 13kg without counterweight. With counterweight and the counterweight rod (not included) the mount can even carry telescopes up to 13 kg. Several years of development and various patents have gone into this exciting mount.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMany functions and easy operation\u003c\/b\u003e\u003cbr\u003eCan be operated in equatorial or azimuth mode. For astrophotography, the equatorial mode is used. The mount must be aligned as accurately as possible with the celestial pole. For visual observing or lunar and planetary photography, the altazimuth mode is sufficient. The mount is then ready for use in a few minutes. The status indicator always shows in which mode the mount is: Red represents equatorial mode and green represents altazimuth mode.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eNo more counterweights needed\u003c\/b\u003e\u003cbr\u003eNormally, German equatorial mounts need counterweights to balance the telescope weight. This is the only way to ensure proper operation. Uses a harmonic drive from the robotics industry, it does not require counterweights up to a telescope weight of 8 kg. This makes the AM3 lighter, more compact and easier to operate. Only for heavier telescopes we recommend counterweights to keep mount and tripod in balance.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSmooth tracking is guaranteed\u003c\/b\u003e\u003cbr\u003eZWO checks and measures every AM3 mount before delivery and guarantees a periodic error (\"PE\") of less than +\/-20 arc seconds. The periodic error occurs very slowly, so that the autoguider has enough time to correct it. Of course, the mount has an ST-4 autoguiding interface. Via ASIAir or other software the PE can also be reduced electronically.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eUseable anywhere on Earth\u003c\/b\u003e\u003cbr\u003eAs you would expect from a true travel mount, the AM3 can be used anywhere on Earth, from the equator to the poles. The mount has room in any flight baggage.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eNo more cables thanks to WiFi\u003c\/b\u003e\u003cbr\u003eAll functions of the mount can be controlled via smartphone. Of course, the AM3 works especially well with ASIAir from ZWO. With ASIAIR, everything from the camera to autoguiding to the mount can be controlled via app using a smartphone or tablet. The mount can also be operated with the handbox without a smartphone. The handbox also works wirelessly, of course.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eQuick Overview\u003c\/h4\u003e\n\u003cdiv class=\"value\"\u003e\n\u003cdiv class=\"product attribute short_description\"\u003e\n\u003cdiv class=\"value\"\u003e\n\u003cul\u003e\n\u003cli\u003eASKAR FRA400 Quintuplet refractor with 72mm aperture and f\/5.6 focal ratio, ideal for wide-field imaging of the deep sky\u003c\/li\u003e\n\u003cli\u003ePetzval design ensures flat field across 44mm image circle, while two ED elements virtually eliminate chromatic aberration\u003c\/li\u003e\n\u003cli\u003eRotatable 3” rack-and-pinion focuser, M68-M48 adapter, 2” adapter ring, and 1.25”-2” adapter\u003c\/li\u003e\n\u003cli\u003eIncludes mounting rings, Vixen-style dovetail, and carrying handle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eQuick Overview\u003c\/h4\u003e\n\u003cdiv class=\"value\"\u003e\n\u003cdiv class=\"product attribute short_description\"\u003e\n\u003cdiv class=\"value\"\u003e\n\u003cul\u003e\n\u003cli\u003eASKAR FRA500 Quintuplet refractor with 90mm aperture and f\/5.6 focal ratio, ideal for wide-field deep sky imaging\u003c\/li\u003e\n\u003cli\u003ePetzval design ensures flat field across big 55mm image circle, while two ED elements virtually eliminate chromatic aberration\u003c\/li\u003e\n\u003cli\u003eRotatable 3.5” rack-and-pinion focuser and four element threaded conical adapter\u003c\/li\u003e\n\u003cli\u003eIncludes mounting rings, Losmandy-style dovetail, carrying handle, and hard case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"page-container\" id=\"specifications\"\u003e\n\u003cdiv class=\"auto-col-container clearfix\"\u003e\n\u003cdiv class=\"single-col\"\u003e\n\u003ch2 class=\"hdl-01\"\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003cdiv class=\"box-container clearfix\"\u003e\n\u003cdiv class=\"pad-8v\"\u003e\n\u003cdiv class=\"pad-2v clearfix\"\u003e\n\u003cdiv class=\"fix-2c float-left\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"ZWO","offers":[{"title":"AM3N \/ FRA 400","offer_id":44209436852478,"sku":"fgegwef-3","price":3147.0,"currency_code":"USD","in_stock":true},{"title":"AM3N \/ FRA 500","offer_id":44209436885246,"sku":"fgegwef-4","price":3947.0,"currency_code":"USD","in_stock":true},{"title":"AM3N \/ FRA 600","offer_id":44734212571390,"sku":"","price":4547.0,"currency_code":"USD","in_stock":true},{"title":"AM5N \/ FRA 400","offer_id":44209436786942,"sku":"fgegwef-1","price":4047.0,"currency_code":"USD","in_stock":true},{"title":"AM5N \/ FRA 500","offer_id":44209436819710,"sku":"fgegwef-2","price":4747.0,"currency_code":"USD","in_stock":true},{"title":"AM5N \/ FRA 600","offer_id":44734212538622,"sku":"","price":5347.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2129\/9429\/files\/askar_zwo.png?v=1696425169"},{"product_id":"askar-v","title":"Askar V","description":"\u003cp\u003e\u003cspan\u003eThe Askar V is a unique type of telescope that uses a customizable and adaptable design, consisting of two different objective lenses. This triplet APO refractor comes with interchangeable 60mm and 80mm lenses, along with a reducer, flattener and extender, giving users the flexibility to adjust the focal length to suit their individual needs. Both lenses have a triplet APO configuration, and two of them are made from ED glass, which helps eliminate chromatic aberration and produces clearer images. The Askar V has a simple yet powerful design, with an attractive ivory white and silver color scheme that showcases its quality and craftsmanship.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ciframe title=\"Askar V Promotion Video\" src=\"https:\/\/www.youtube.com\/embed\/WQzB5LRpF4g\" height=\"635\" width=\"1128\" allowfullscreen=\"\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e \u003c\/th\u003e\n\u003cth colspan=\"2\"\u003eAperture size: 60mm\u003c\/th\u003e\n\u003cth colspan=\"2\"\u003eAperture size: 80mm\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e \u003c\/th\u003e\n\u003cth\u003eFocal length\u003c\/th\u003e\n\u003cth\u003eFocal ratio\u003c\/th\u003e\n\u003cth\u003eFocal length\u003c\/th\u003e\n\u003cth\u003eFocal ratio\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e+V Reducer\u003c\/td\u003e\n\u003ctd\u003e270mm\u003c\/td\u003e\n\u003ctd\u003ef\/4.5\u003c\/td\u003e\n\u003ctd\u003e384mm\u003c\/td\u003e\n\u003ctd\u003ef\/4.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e+V Flattener\u003c\/td\u003e\n\u003ctd\u003e360mm\u003c\/td\u003e\n\u003ctd\u003ef\/6\u003c\/td\u003e\n\u003ctd\u003e495mm\u003c\/td\u003e\n\u003ctd\u003ef\/6.18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e+V Extender\u003c\/td\u003e\n\u003ctd\u003e446mm\u003c\/td\u003e\n\u003ctd\u003ef\/7.43\u003c\/td\u003e\n\u003ctd\u003e600mm\u003c\/td\u003e\n\u003ctd\u003ef\/7.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eOTA Parameters\u003c\/th\u003e\n\u003cth\u003eV60 mode\u003c\/th\u003e\n\u003cth\u003eV80 mode\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture size:\u003c\/td\u003e\n\u003ctd\u003e60mm\u003c\/td\u003e\n\u003ctd\u003e80mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal length:\u003c\/td\u003e\n\u003ctd\u003e360mm\u003c\/td\u003e\n\u003ctd\u003e500mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal ratio:\u003c\/td\u003e\n\u003ctd\u003ef\/6\u003c\/td\u003e\n\u003ctd\u003ef\/6.25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObjective lens:\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eTriplet air-spaced APO (including two ED glasses)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDistance from the 2\" adapter to the focal plane with the focuser barrel retracted:\u003c\/td\u003e\n\u003ctd\u003e150mm\u003c\/td\u003e\n\u003ctd\u003e139.7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal length (without accessories):\u003c\/td\u003e\n\u003ctd\u003e318.5mm\u003c\/td\u003e\n\u003ctd\u003e411mm (with the dew shield contracted) 479mm (with the dew shield fully stretched)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Weight (Including tube ring \u0026amp; dovetail plate):\u003c\/td\u003e\n\u003ctd\u003e2.86kg\u003c\/td\u003e\n\u003ctd\u003e3.44kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear-end adapter type:\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e2” adapter, 1.25” adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"askar","offers":[{"title":"Default Title","offer_id":44054232334590,"sku":"askarv","price":1695.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2129\/9429\/files\/AskarV.png?v=1685556359"},{"product_id":"askar-32mm-guide-scope-f-4-silver","title":"Askar 32mm Guide Scope F\/4 - Silver","description":"\u003cspan data-mce-fragment=\"1\"\u003eThe Askar 32 mm Guide Scope is a lightweight and compact guider with a fast f\/4 focal ratio and 128mm focal length, making it ideal for smaller cameras. It comes with two common camera connection adapters: 1.25\" and threaded T2 (M42). The helical focuser has 20 mm of focus travel and the precision X\/Y-axis fine adjustment capability helps achieve more accurate alignment. It also includes a guide ring that can be easily mounted in a standard finderscope shoe similar to those found on Sky-Watcher or Synta telescopes.\u003c\/span\u003e","brand":"askar","offers":[{"title":"Default Title","offer_id":44064420921598,"sku":"askarguide","price":99.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2129\/9429\/files\/ASKARGuide.jpg?v=1686245605"},{"product_id":"askar-fra-400","title":"Askar FRA 400 BUNDLE \u0026 SAVE! Limited Time only!","description":"\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eFor a limited time Bundle and Save up to $250\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBundle Includes\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003eAskar FRA 400\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003eZWO AM5 or AM3 or AVX Mount\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003eF3.9 Full Frame Reducer\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003eRed Flashlight\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003eBahtinov Mask\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan\u003eThe\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eAskar\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eFRA\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eQuintuplet\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eseries\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003etelescope\u003c\/span\u003e\u003c\/b\u003e is a top-of-the-line astrograph that can be easily transported. Designed for astrophotography sessions, it delivers high-quality flat-field images thanks to its built-in flat field correction feature. The telescope features a unique Petzval-like quintuplet design, utilizing two extra-low dispersion ED glass lenses on its 72mm f\/5.6 refracting optical tube, providing a 44mm image circle with full-frame imaging support. This design effectively controls and reduces chromatic aberration. The OTA also features a retractable dew shield and a 3\" rack-and-pinion, high-precision focuser that includes a 360-degree rotator, allowing for easy camera or accessory rotation. The focuser's fine focus adjustment makes it perfect for astro-imaging or visual observation.\u003c\/p\u003e\n\u003cdiv id=\"specifications\" class=\"page-container\"\u003e\n\u003cdiv class=\"auto-col-container clearfix\"\u003e\n\u003cdiv class=\"single-col\"\u003e\n\u003cdiv class=\"box-container clearfix\"\u003e\n\u003cdiv class=\"pad-8v\"\u003e\n\u003cdiv class=\"pad-2v clearfix\"\u003e\n\u003cdiv class=\"fix-2c float-left\"\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sharpstar","offers":[{"title":"Askar FRA 400","offer_id":45232451748094,"sku":"45725","price":1199.99,"currency_code":"USD","in_stock":true},{"title":"AM3 Bundle","offer_id":46543000011006,"sku":"","price":3221.0,"currency_code":"USD","in_stock":true},{"title":"AM5 Bundle","offer_id":46542999978238,"sku":"","price":4221.0,"currency_code":"USD","in_stock":true},{"title":"AVX Bundle","offer_id":46542999945470,"sku":"","price":3279.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2129\/9429\/files\/askar.jpg?v=1743814104"},{"product_id":"askar-103apo-triplet-refractor-ota","title":"Askar 103 APO Triplet Refractor OTA","description":"\u003cdiv\u003e\u003cem\u003e\u003cstrong\u003eCurrently IN STOCK APRIL 2026!!!\u003c\/strong\u003e\u003c\/em\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThe Askar 103 is very versatile and can be used in these 4 different configurations:\u003c\/div\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli id=\"ACE7PDX\" data-mce-fragment=\"1\"\u003eImaging at 700mm (f\/6.8) with the\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e1x full frame field flattener\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e(sold separately)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eImaging at 560mm (f\/5.4) with the\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e0.8x full frame reducer\/flattener\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e(sold separately)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eImaging at 420mm (f\/4) with the\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e0.6x full frame reducer\/flattener\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e(sold separately)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eVisual at 700mm (f\/6.8) with either 2\" or 1.25\"\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003eeyepieces\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003eor a binoviewer (sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhat's in the box?\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAskar 103APO OTA\u003c\/li\u003e\n\u003cli\u003ePair of tube rings\u003c\/li\u003e\n\u003cli\u003eCarry Handle\u003c\/li\u003e\n\u003cli\u003eAskar 290mm Vixen dovetail plate\u003c\/li\u003e\n\u003cli\u003eManual\u003c\/li\u003e\n\u003cli\u003eSoft case\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Askar","offers":[{"title":"Default Title","offer_id":44550034424062,"sku":"","price":1199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2129\/9429\/files\/askar-103apo-refractor-ota-stylized-background.jpg?v=1704741614"},{"product_id":"askar-1x-full-frame-flattener-for-103apo-telescope","title":"Askar 1x Full Frame Flattener for 103APO Telescope","description":"\u003cp data-mce-fragment=\"1\"\u003eThe 1.0x flattener, upon attachment to the Askar 103APO, maintains the telescope's focal length at 6.8 without altering its focal ratio. While the flattener doesn't modify the focal ratio, it effectively corrects field curvature and coma, resulting in flatter field edges and sharper star points.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eFeaturing a triplet design, the 1.0x flattener supports a 44mm full-frame image circle and has a weight of 0.58kg. With a standard back focus of 55mm from the M48 thread and an M84*1 front thread, it offers reliable specifications.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAt the camera end, the flattener comes equipped with two convenient adapter sizes, M54\u003cem data-mce-fragment=\"1\"\u003e0.75 and M48\u003c\/em\u003e0.75, facilitating easy connections. Additionally, it includes a built-in M48*0.75 2-inch filter thread for direct filter installation. The overall CNC machined construction, complemented by threaded metal caps at both ends, prevents dust accumulation when the equipment is not in use.\u003c\/p\u003e","brand":"askar","offers":[{"title":"Default Title","offer_id":44550071582974,"sku":"","price":219.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2129\/9429\/files\/omis-as-103apo-flat1.0x-1.jpg?v=1704742728"},{"product_id":"sharpstar-50edph-apo-refractor-ota","title":"Sharpstar 50EDPH APO Refractor OTA","description":"\u003cp data-mce-fragment=\"1\"\u003eCompact yet powerful, the Sharpstar APO refractor of the EDPH series embodies impressive capabilities in a petite form. With a mere length of 7.7\" and a weight of 2.2lbs, this OTA seamlessly integrates into your travel gear, becoming an ideal companion for any astronomical adventure. The inclusion of three lens elements and premium ED glass ensures impeccable color correction and clarity, elevating its astrophotography performance.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eBeyond its portability and imaging prowess, this telescope accommodates visual observation as well. Attach an eyepiece to explore nebulae, galaxies, and more, adding a dynamic dimension to your stargazing experience.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Sharpstar 50EDPH boasts a 50mm aperture and a wide field of view of \u003cstrong\u003e275mm,\u003c\/strong\u003e resulting in a swift \u003cstrong\u003ef\/5.5 focal ratio\u003c\/strong\u003e. This configuration facilitates the rapid collection of a significant amount of light during observation. To enhance its astrophotography capabilities, a specially designed 0.84x Reducer is provided, ensuring a flat and even field in an APS-C sized frame. The telescope also comes equipped with a 1.25\" adapter for added versatility, enabling the attachment of a diagonal and eyepiece to capture captivating views of celestial objects. With meticulously crafted optics within its compact design, the Sharpstar 50EDPH stands out as an excellent addition to your astronomy gear.\u003c\/p\u003e","brand":"Sharpstar","offers":[{"title":"Default Title","offer_id":44550091440382,"sku":"","price":439.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2129\/9429\/files\/sharpstar50edph.jpg?v=1704743095"},{"product_id":"sharpstar-0-84x-reducer-for-50edph-refractor","title":"Sharpstar 0.84x Reducer for 50EDPH Refractor","description":"\u003cp data-mce-fragment=\"1\"\u003eThis specialized 0.84x reducer by Sharpstar is crafted explicitly for use with the 50EDPH APO refractor. Incorporating this reducer into your imaging setup is bound to elevate the overall imaging experience with your 50EDPH!\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eWhen seamlessly attached to your 50EDPH OTA, the 0.84x reducer effectively reduces the Sharpstar 50EDPH's focal ratio to f\/4.6, along with shortening the focal length to 230mm. Not only does it achieve these adjustments, but it also provides field flattening capabilities. The resulting shorter focal ratio imparts a broader field of view and facilitates faster exposure times. These attributes render the 50EDPH well-suited for imaging swift celestial objects, star clusters, and expansive nebulae areas.\u003c\/p\u003e","brand":"Sharpstar","offers":[{"title":"Default Title","offer_id":44550115197182,"sku":"","price":109.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2129\/9429\/files\/sharpstar-50edph-reducer.jpg?v=1704743413"},{"product_id":"askar-fra-600-108mm-quintuplet-apo-astrograph","title":"Askar FRA 600 108mm Quintuplet APO Astrograph","description":"\u003cp\u003eThis top-tier astrograph features a sizable 4.2” rack-and-pinion dual-speed (1:10) focuser, boasting full 360-degree rotation capability. The focuser terminates with an M90x1 thread, accompanied by adapters for seamless camera attachment, including an M90x1 to M54x0.75 adapter and M54x0.75 to M48x0.75 conical extension tube. Additionally, it comes equipped with a 2” adapter ring and 1.25”-2” adapter for versatile use with diagonals, eyepieces, or compact cameras. Perfect for visual observing (star diagonal not provided), this scope is a standout choice.\u003c\/p\u003e\n\u003cp\u003eEnhancing its appeal, the FRA600's elegant optical tube is paired with practical aluminum rings, a \"D\" Losmandy-style dovetail, and a convenient carrying handle. The \"D\" rail width measures 73.2mm; ensure compatibility with your saddle (e.g., some ADM saddles may require a minimum of 75mm). The rings feature separate mounting holes for additional accessories, and the entire tube boasts a 120mm diameter and a compact length of just 493mm (dew shield retracted). With a weight of 6.5kg, it strikes a balance between portability and performance. Moreover, its generous back focus of 160mm accommodates various accessories with ease.\u003c\/p\u003e\n\u003cp\u003eWith its fast f\/5.6 focal ratio, the FRA600 excels in deep-sky imaging, while an optional focal reducer (sold separately) further enhances its versatility, lowering the focal ratio to f\/3.9 and shortening the focal length to 420mm, all while supporting full-frame imaging. Despite its competitive pricing, this high-quality apochromatic telescope delivers exceptional performance, rivaling telescopes priced significantly higher. It particularly shines when paired with astronomy cameras featuring smaller 1\" and 4\/3\" sensors, though cameras with larger APS-C and full-frame sensors may exhibit minor aberrations at the field's edge, especially when utilizing the focal reducer.\u003c\/p\u003e\n\u003cp\u003eShipped in a foam-fitted hard case measuring 22.6\" x 12.5\" x 11\", the ASKAR FRA600 offers unbeatable value in a premium, larger-aperture astrograph, catering to the demands of serious astronomical imaging enthusiasts.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAperture: 108mm \/ 4.25\"\u003c\/li\u003e\n\u003cli\u003eFocal length: 600mm\u003c\/li\u003e\n\u003cli\u003eFocal ratio: f\/5.6\u003c\/li\u003e\n\u003cli\u003eObjective type: Quintuplet Apo (including 2 ED elements)\u003c\/li\u003e\n\u003cli\u003eImage circle: 66mm\u003c\/li\u003e\n\u003cli\u003eBack focus: 160mm\u003c\/li\u003e\n\u003cli\u003eOverall length: 493mm\u003c\/li\u003e\n\u003cli\u003eTube weight: 14.3 lbs\u003c\/li\u003e\n\u003cli\u003eConical adapter: M90x1 to M54x0.75, M54x0.75 to M48x0.75\u003c\/li\u003e\n\u003cli\u003eAccessories: tube rings, handle, dovetail plate, conical tube adapter (with M54x0.75 and M48x0.75 male threads, checklist, and manual), and hard case\u003c\/li\u003e\n\u003cli\u003e0.7x f\/3.9 reducer sold separately\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sharpstar","offers":[{"title":"Default Title","offer_id":44734172037374,"sku":"","price":2599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2129\/9429\/files\/600.jpg?v=1708973543"},{"product_id":"askar-fra-600-reducer-0-7x","title":"Askar FRA 600 Reducer 0.7x","description":"\u003cp\u003eIntroducing the Askar 3-inch F3.9 full-frame reducer, meticulously crafted with a specialized 4-element optical design tailored precisely for the FRA600 astrograph. With an impressive 0.7X reduction in focal ratio, this reducer seamlessly enhances the FRA600, significantly reducing exposure times and shortening the focal length to 420mm.\u003c\/p\u003e\n\u003cp\u003ePrepare for an extraordinary expansion of your field of view, unlocking newfound convenience and endless possibilities for both visual observation and astrophotography endeavors. The standard 55mm backfocus ensures optimal performance, while the integrated M48X0.75 (2-inch) filter thread effortlessly accommodates filters, providing convenient filter attachment capabilities.\u003c\/p\u003e","brand":"Sharpstar","offers":[{"title":"Default Title","offer_id":44734246584574,"sku":"","price":399.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2129\/9429\/files\/fra.jpg?v=1708974419"},{"product_id":"askar-fra-300-pro-60mm-petzval-quintuplet","title":"Askar FRA 300 PRO 60mm Petzval Quintuplet","description":"\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eAskar\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eFRA\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eQuintuplet\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eseries\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003etelescope\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eis\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ea\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003etop-of-the-line\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eastrograph\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ethat\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ecan\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ebe\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eeasily\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003etransported.\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eDesigned\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003efor\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eastrophotography\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003esessions,\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eit\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003edelivers\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ehigh-quality\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eflat-field\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eimages\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ethanks\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eto\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eits\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ebuilt-in\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eflat\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003efield\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ecorrection\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003efeature.\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003etelescope\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003efeatures\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ea\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eunique\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ePetzval-like\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003equint\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003euplet\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003edesign,\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eutilizing\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003etwo\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eextra-low\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003edispersion\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eED\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eglass\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003elenses\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eon\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eits\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e 60\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003emm\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ef\/5\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003erefracting\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eoptical\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003etube,\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eproviding\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ea\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e44mm\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eimage\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ecircle\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ewith\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003efull-frame\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eimaging\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003esupport.\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eThis\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003edesign\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eeffectively\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003econtrols\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eand\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ereduces\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003echromatic\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eaberration.\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eOTA\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ealso\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003efeatures\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ea\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eretractable\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003edew\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eshield\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eand\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ea\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e 2.5\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e\"\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003erack-and-pinion,\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ehigh-precision\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003efocuser\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ethat\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eincludes\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ea\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e360-degree\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003erotator,\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eallowing\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003efor\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eeasy\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ecamera\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eor\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eaccessory\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003erotation.\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003efocuser's\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003efine\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003efocus\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eadjustment\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003emakes\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eit\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eperfect\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003efor\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eastro\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e-imaging\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eor\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003evisual\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eobservation. A 1.25\" T2 diagonal is needed for visual.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAperture: 60mm \/ 2.4\"\u003c\/li\u003e\n\u003cli\u003eFocal length: 300mm\u003c\/li\u003e\n\u003cli\u003eFocal ratio: f\/5\u003c\/li\u003e\n\u003cli\u003eObjective type: Petzval Apo (including 2 ED elements)\u003c\/li\u003e\n\u003cli\u003eImage circle: 44mm\u003c\/li\u003e\n\u003cli\u003eBack focus: 160mm\u003c\/li\u003e\n\u003cli\u003eOverall length: 303mm\u003c\/li\u003e\n\u003cli\u003eTube weight: 5 lbs\u003c\/li\u003e\n\u003cli\u003eImaging adapter: M54x1, M48x0.75, M42x0.75\u003c\/li\u003e\n\u003cli\u003eAccessories: clamshell, handle, vixen dovetail\u003c\/li\u003e\n\u003cli\u003ePackaged in Polyethylene die cut foam\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Askar","offers":[{"title":"Default Title","offer_id":45169291952382,"sku":"FRA300","price":949.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2129\/9429\/files\/product1_a3af20f6-c0e5-45c1-b10e-697c2e43b7cc.jpg?v=1714175601"},{"product_id":"askar-160-apo-160mm-f-7-triplet-refractor-telescope-160apo","title":"Askar 160 APO 160mm f\/7 Triplet Refractor Telescope # 160APO","description":"\u003cdiv class=\"product info description\"\u003e\n\u003cdiv class=\"value\"\u003e\n\u003cdiv class=\"product attribute description\"\u003e\n\u003cdiv class=\"value\"\u003e\n\u003cdiv data-content-type=\"row\" data-appearance=\"contained\" data-element=\"main\"\u003e\n\u003cdiv data-enable-parallax=\"0\" data-parallax-speed=\"0.5\" data-background-images=\"{}\" data-background-type=\"image\" data-video-loop=\"true\" data-video-play-only-visible=\"true\" data-video-lazy-load=\"true\" data-video-fallback-src=\"\" data-element=\"inner\" data-pb-style=\"V124BQ0\"\u003e\n\u003cdiv data-content-type=\"text\" data-appearance=\"default\" data-element=\"main\"\u003e\n\u003ch2\u003eAskar 160APO Overview\u003c\/h2\u003e\n\u003cp\u003eThe Askar 160APO has a 30% larger effective aperture area than the 140APO, and the limiting magnitude can reach 12.79.\u003c\/p\u003e\n\u003ch2\u003eOptical Design\u003c\/h2\u003e\n\u003cp\u003eThe Askar 160APO adopts a triplet air-spaced APO lens design, including one piece of ED glass. ED glass, also known as low-dispersion glass, is a type of optical glass specifically designed to reduce chromatic aberration.\u003c\/p\u003e\n\u003cp\u003eThe Askar APO series employs special optical designs and multiple lens elements to correct chromatic aberration, naturally providing higher quality object details and color accuracy.\u003c\/p\u003e\n\u003cp\u003eIn the refractor's element structure, increasing the number of lens elements and designing lens combinations can effectively improve chromatic aberration correction. However, this also means increased production costs and design complexity.\u003c\/p\u003e\n\u003ch2\u003eFeatures for Astrophotography\u003c\/h2\u003e\n\u003cp\u003eThe retractable design of the dew shield, along with the enlarged locking screw, provide easy adjustments if needed. The dew shield serves the purpose of protecting the lens from the impact of external and internal light along with protecting the lens itself.\u003c\/p\u003e\n\u003cp\u003eThe Askar 160APO has an extended 316mm handle with a special slot design, making it also a base for installing a finderscope or guidescope.\u003c\/p\u003e\n\u003cp\u003eThe dovetail mounting plate of the Askar 160APO is the standard Losmandy dovetail plate, which is compatible with most equatorial mounts and saddles on the market. The dovetail plate is designed with multiple holes, which makes it easy to adjust the position. The length of the dovetail plate is 400mm, which makes it more convenient for balancing on the mount.\u003c\/p\u003e\n\u003cp\u003eIt is worth mentioning that the rear lens tube of the Askar 160APO has an integrated retractable design. We strengthened the overall stability to ensure that the alignment of the optical axis will not be affected when the tube is extended, thus guaranteeing the quality of the image. The ajustable tube also features a captain's wheel-style locking ring that makes it easy to loosen or tighten.\u003c\/p\u003e\n\u003cp\u003eThe entire Askar 160APO tube is crafted using high-quality CNC machining with anodized and painted surfaces. The orange accents on the ivory-white tube add a bright and eye-catching touch, presenting a stylish and elegant overall appearance.\u003c\/p\u003e\n\u003cp\u003eThe focuser interface at the rear comes with a 1.25\" \/ 2\" adapter, so the 160APO can easily achieve focus when connected to 1.25\" or 2\" diagonals or various eyepieces. Because of the retractable lens tube design, it can also be attached to a binoviewer for visual observation.\u003c\/p\u003e\n\u003ch2\u003e3.5-inch Focuser\u003c\/h2\u003e\n\u003cp\u003eThe Askar 160APO is equipped with a large rigid 3.5\" dual-speed rack and pinion focuser which is compatible with most motorized focusers on the market. There is a high-precision scale on the focuser's 100mm of travel. The entire focuser barrel is CNC machined with a internal design that reduces reflections, glare and stray light. It is painted matte black.\u003c\/p\u003e\n\u003cp\u003eThere are two finder bases on both sides of the focuser, which not only eliminates the need for disassembling when changing the position of the finder scope but also provides additional mounting positions for other astronomical accessories.\u003c\/p\u003e\n\u003cp\u003eThe rear of the focuser features a 360° high-precision rotator with precise scales for convenient adjustment and saving of the rotation angles. It is also equipped with an enlarged rotator locking screw that can be easily secured even under high loads.\u003c\/p\u003e\n\u003ch2\u003eSize \u0026amp; Weight\u003c\/h2\u003e\n\u003cp\u003eAs a large aperture, long focal ratio telescope, the Askar 160APO was designed with portability in mind. Due to the retractable lens tube design, the shortest overall length is only 883mm, the net weight is 11.4 kg, and the gross weight is 13.6 kg (including the handle, tube ring, and dovetail plate).\u003c\/p\u003e\n\u003cp\u003eThe thumb screws enable easy opening and locking of the rings. Meanwhile, the base of the rings is heightened, providing more space between the tube and mount.\u003c\/p\u003e\n\u003ch2\u003eAskar 160 APO Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAperture Size: 160mm\u003c\/li\u003e\n\u003cli\u003eFocal Length: 1120mm\u003c\/li\u003e\n\u003cli\u003eFocal Ratio: f\/7\u003c\/li\u003e\n\u003cli\u003eOptical Design: Triplet air-spaced APO (including one ED glass element)\u003c\/li\u003e\n\u003cli\u003eTotal tube length:\n\u003cul\u003e\n\u003cli\u003e883mm (when dew shield is contracted）\u003c\/li\u003e\n\u003cli id=\"NNTOCQJ\"\u003e996mm (when dew shield is extended）\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe length of the rear retractable lens tube: 115mm\u003c\/li\u003e\n\u003cli\u003eOTA Weight: 25.13lbs (11.4kg)\u003c\/li\u003e\n\u003cli\u003eGross Weight (including tube ring and dovetail plate): 30 lbs (13.6kg)\u003c\/li\u003e\n\u003cli\u003eRear-end thread type: 2\"\/1.25\" visual adapters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product info ca_whats_in_the_box\"\u003e\n\u003ch4\u003eWhat's in the Box\u003c\/h4\u003e\n\u003cdiv class=\"value\"\u003e\n\u003cdiv class=\"product attribute ca_whats_in_the_box\"\u003e\n\u003cdiv class=\"value\"\u003e\n\u003cul\u003e\n\u003cli\u003e1x Askar 160APO OTA\u003c\/li\u003e\n\u003cli\u003e1x Pair of tube rings\u003c\/li\u003e\n\u003cli\u003e1x Handle\u003c\/li\u003e\n\u003cli\u003e1x Askar 400mm Losmandy dovetail plate\u003c\/li\u003e\n\u003cli\u003e1x Foam lined hard case with rollers\u003c\/li\u003e\n\u003cli\u003e1x Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sharpstar","offers":[{"title":"Default Title","offer_id":46181056348414,"sku":"160APO","price":3795.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2129\/9429\/files\/ask1.jpg?v=1737083800"},{"product_id":"askar-140-apo-140mm-f-7-triplet-refractor-telescope-140apo","title":"Askar 140 APO 140mm f\/7 Triplet Refractor Telescope # 140APO","description":"\u003cp\u003eThe Askar 140APO is an OTA with a 140mm aperture, 980mm focal length, and f\/7 native focal ratio.\u003c\/p\u003e\n\u003cp\u003eThe aperture of 140mm gives it an inherent advantage in terms of light-gathering power, resolution, brightness, and contrast, allowing the photographer to gather more light and present more details and brighter objects in the image. Along with more light coming into the astrograph, the limiting magnitude can reach 12.5.\u003c\/p\u003e\n\u003cp\u003eThe Askar 140APO adopts a triplet air-spaced APO lens design, including one piece of ED glass.\u003c\/p\u003e\n\u003cp\u003eThe Askar APO series employs special optical designs and multiple lens elements to correct chromatic aberration, naturally providing higher-quality object details and color accuracy.\u003c\/p\u003e\n\u003cp\u003eIn the refractor's element structure, increasing the number of lens elements and designing lens combinations can effectively improve chromatic aberration correction. However, this also means increased production costs and design complexity.\u003c\/p\u003e\n\u003cp\u003eED glass, also known as low-dispersion glass, is a type of optical glass specifically designed to reduce chromatic aberration.\u003c\/p\u003e","brand":"Askar","offers":[{"title":"Default Title","offer_id":48018923913470,"sku":"140APO","price":2499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2129\/9429\/files\/76675a63-17a7-4195-9e27-8b9edc65b226.png_1180xaf.webp?v=1775077720"},{"product_id":"askar-50p","title":"Askar 50P","description":"\u003cp\u003e\u003cspan\u003eA portable, versatile quadruplet APO astrograph.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Askar 50P is a compact OTA that combines a 50mm aperture, 190mm focal length, and a fast f\/3.8 focal ratio into a lightweight portable form-delivering professional optical performance in a minimal footprint.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you are beginning your journey into deep-sky astrophotography or seeking a high-quality, portable secondary scope, the Askar 50P-with its thoughtful design, robust optics, and attention to practical detail-is built to be a reliable companion under the stars.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Askar","offers":[{"title":"Default Title","offer_id":48038106988798,"sku":"A50P","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2129\/9429\/files\/4ca09a6f-8578-4686-9f8f-d7cc26fd29af.png_1180xaf.webp?v=1775594808"}],"url":"https:\/\/octelescope.com\/collections\/askar.oembed?page=2","provider":"oc telescope","version":"1.0","type":"link"}