Celestron 48 mm T-Adapter For EdgeHD 9.25", 11", and 14" - 93622 8X Binoculars 9 mm Filter clear aperture:

9 mm Filter clear aperture: 42

But as you survey the image

The Mak-Newtonian design provides large aperture apochromatic performance with exceptional field correction in a compact

AVX and CGEM Mount Features

25" Dielectric Diagonal - 1/10 Wave - 99% with 12 mm thickness Mirror from William Optics uses a compression ring to prevent marring the barrels

Celestron 48 mm T-Adapter For EdgeHD 9.25", 11", and 14" - 93622 8X Binoculars 9 mm Filter clear aperture:Celestron 48 mm T Adapter For EdgeHD 9. 25", 11", and 14" Celestron 48 mm T Adapter Attaches directly to the rear cell of the larger Edge optical tubes Produces better illumination for today's larger full frame imaging sensors, all the way to the corners Reduces vignettingdarkening around the edges of the image sensorby providing unobstructed light to the camera Best Used on the EdgeHD 9. 25", 11", and 14" systems This item is a Celestron 48 mm T