0.77x Reducer/Flattener for Esprit 150-S20215

Sky-Watcher

Regular price ~~$500.00~~ $329.00 Sale

You Save 34.2%

Compatible with both APS-C and full frame sensors, APS-C (crop sensors) and smaller recommended
55mm back focus
Drops f/ratio from native f/5.8 (420mm) to f/4.93 (355mm)
Reduces exposure time by 38% compared to native f/5.8
5.8 x 3.87-degree field of view when used with a full frame camera
3.79 x 2.53-degree field of view when used with APS-C crop sensor
Includes thread-on adapter to mount reducer to Evostar 72ED focuser