Sharpstar 0.8x Reducer and Flattener PHD2 compatible the filter is suitable for

the filter is suitable for enhancing the contrast and details for photograghic purpose at light pollution area

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It delivers a bright exit pupil and wide true field of view

contrast-rich imaging even under heavy light pollution or with the full moon in the sky

Secure communications are an essential requirement

Sharpstar 0.8x Reducer and Flattener PHD2 compatible the filter is suitable forSharpstar 0. 8x Reducer and Field Flattener for FULL FRAME Cameras for Sharpstar 61EDPH Telescope M48 Camera Connection. Male M63 Connection Thread to the 61EDPH telescope Designed for Full Frame cameras 360 degree rotation This Reducer Flattener has been specifically designed for the Sharpstar 61EDPH APO telescopes. (It might possibly work with other similar telescopes as well, but we cannot offer any recommendations ) It will connect to your