Celestron Regal M2 80ED Zoom Spotting Scope - 52305 Double Stack Solar Filters 7x Focal Reducer is a

7x Focal Reducer is a multi-faceted accessory designed to enhance your astrophotography experiences

Ideal projection eyepiece for afocal projection imaging

Primary Aperture:  254mm

such as Radians

Paul tweaked his design of the TeleVue Ethos Eyepiece to fulfill the original goals

Celestron Regal M2 80ED Zoom Spotting Scope - 52305 Double Stack Solar Filters 7x Focal Reducer is aAbout the Celestron Regal M2 80ED Zoom Spotting Scope The Regal M2 Celestron Spotting Scope series is the next generation of our top performing Regal F ED spotting scopes. Day or night, the Celestron Regal M2 Spotting Scope is optimized to provide the sharpest images available. You''ll love them for bird watching, nature observing, long distance viewing and casual astronomical observing. These top of the line Celestron Spotting Scopes provide all the