Sky-Watcher 0.77x Reducer/Flattener for Esprit 150 - S20215 Bresser 5 inches x

5 inches x

A 55 lb load capacity means it can easily handle the RASA 8

With short focal length eyepieces the effect is negligible

For beginner to intermediate planetary and deep space imagers

Hoya FCD100 Optics

Sky-Watcher 0.77x Reducer/Flattener for Esprit 150 - S20215 Bresser 5 inches xSky 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