Sky-Watcher 0.9x Reducer/Corrector for Evolux 62mm
0.9x thread-on reducer/corrector produces a flat field across the entire image while shortening exposure time by 24%. Optimized for Evolux 62mm...
Sky-Watcher 0.9x Reducer/Corrector for Evolux 82mm
0.9x thread-on reducer/corrector produces a flat field across the entire image while shortening exposure time by 24%. Optimized for Evolux 82mm...
Sky-Watcher 0.85x Reducer/Flattener for EvoStar 72ED
Compatible with both APS-C and full frame sensors, APS-C (crop sensors) and smaller recommended
55mm back focus
Drops f/ratio from native...
Sky-Watcher 0.77x Reducer/Flattener for Esprit 120
34mm fully illuminated field but can handle full frame as well
95mm back-focus (55mm when back focus spacer and M48 ring installed)
Drops...