Adapter Ring for geant Field Flattener / M80 to M48 Tecnosky

Adapter ring M80 to M48mm, thickness 32 mm. To be used on the giant Tecnosky / William Optics M68 corrector, which will allow you to insert accessories between the corrector and the imager (Reflex or CCD)

This adapter is to be mounted on the back of the giant tecnosky or William Optics 68mm corrector.

By using this adapter, you get a significant back focus (about 99 mm), which allows you to insert accessories for astrophotography, such as an optical divider, a filter wheel or other ...