ZWO Filter Drawer M42 Ver. 2 Astrophotography The unique optical design includes

The unique optical design includes the highest quality glass for the best possible color correction and flat large image circle suitable for full frame sensors

and have large heads for easy adjustment even if you’re wearing gloves

5 kg (10 lbs)

CEM40/CEM40EC

Item Number EPWP6820–01 Focal Length 20mm Length 69

ZWO Filter Drawer M42 Ver. 2 Astrophotography The unique optical design includesThe updated version 2 of ZWO's M42 filter drawer allows the addition of a 2" filter to the optical train. You can manually add and swap filters without having to touch or disturb the rest of your optical train. New 2 filter drawer featuring the anti light leaking design that can effectively solve the light leaking issue under long exposure. M42 Double strong magnets adopted for stronger adsorption, easier installation and pulling out. Lock screw on