Sky-Watcher Field Flattener for EvoGuide 50
Corrects for field curvature, allowing the Evoguide 50ED and 50DX to be used for astrophotography
Thread on metal caps
T-thread connection or...
Takahashi MEWLON REDUCER FLATTENER Designed specifically for the Mewlon series of telescopes, and reduces the focal ratio by 0.8X. Made from ED glass and produces an image circle with a...