Sky-Watcher 0.77x Reducer/Flattener for Esprit 150 - S20215 Correctors providing images with outstanding detail

providing images with outstanding detail

it attaches securely to the front of RASA

Antares Model No: SW17S3 Barrel Diameter: 1

The Celestron AstroMaster Series produce bright

Sky-Watcher 0.77x Reducer/Flattener for Esprit 150 - S20215 Correctors providing images with outstanding detailSky Watcher 0. 77x Reducer Flattener for Esprit 150 Sky Watcher 0. 77x Reducer Flattener Only for the Esprit 150 Focuser Compatible with both APS C and full frame sensors 36 mm fully illuminated field is available Also good to use for full frame cameras Provides a 90 mm back focus Or, 55 mm when back focus spacer and M48 ring installed Lowers f ratio from native f 7 (1050 mm) to f 5. 4 (810 mm) Reduces exposure time by 68% compared to native f 7 2. 54