Explore Scientific AR102 f/6.5 Achromatic Refractor with 2" Crayford Dual Speed Focuser – Pre-Owned

The Explore Scientific AR102 is a versatile 102mm achromatic refractor telescope that delivers sharp, detailed views of the Moon, planets, star clusters, and brighter deep-sky objects. With its 102mm aperture and 663mm focal length (f/6.5), this telescope offers excellent light-gathering capability and a wide field of view, making it a great choice for both beginners and experienced observers.

Comes with a Parks 9x50 Right Angle Finderscope with Illuminator. It also has tube rings and a Vixen dovetail bar. Also included is a 20mm Orion Expanse 66 degree eyepiece, with a 1.25" diagonal.

This pre-owned AR102 features very sharp optics, producing crisp, high-contrast images. Its 2" dual-speed Crayford focuser provides smooth, precise focusing, with both coarse and fine adjustments for achieving critical focus at higher magnifications. The 2" focuser also accommodates wide-field 2" eyepieces, while the included adapter allows the use of standard 1.25" accessories. 

Included Accessories

20mm Expanse Eyepiece (66° AFOV) – Provides comfortable, wide-field views.

1.25" Star Diagonal – For comfortable viewing angles.

2" to 1.25" Adapter – Allows compatibility with 1.25" eyepieces and accessories.

Neewer Padded Soft Carrying Bag with Foam – Provides protection during storage and transportation.

Tube rings and Vixen Dovetail Bar

Parks 9x50 Finderscope Right Angle with Illuminator

Specifications

Optical Design: Achromatic Refractor

Aperture: 102mm (4")

Focal Length: 663mm

Focal Ratio: f/6.5

Focuser: 2" Dual-Speed Crayford

Condition: Pre-Owned

The Explore Scientific AR102 is an excellent grab-and-go refractor for visual astronomy, offering impressive optical performance, a generous aperture, and smooth focusing. Complete with essential observing accessories and a protective carrying bag, this telescope is ready for your next night under the stars.