Coma Correcting lens specifically designed for the R200SS f/4 reflector
** Shop Test / Demo Unit***
To reduce coma for both visual observation and photography. "Corrector 2" features a 52mm photographic filter thread. Connects to the R200SS Direct Focus Ring,
Direct Wide Photo Adapter and 2-inch Eyepiece Adapter AV-EA-3725 through 56mm diam / 0.75mm pitch thread.
The optimal distance of the corrector to the plane of a CCD camera is 63.5mm. Using a T-ring with the Vixen Wide Photo adapter, the distance from the flange of the T-ring to the focal plane is 55mm.
Handy even for experimenting and use with other F/4 Newtonian scopes.
ALL CLEAN AS NEW CONDITION