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but will block more stray light and skyglow than the L-Pro
4") Focal Ratio f/2
Each rotation responds precisely to commands
33 kg) Included Items: Optical tube
Askar's new 131F Flat-Field quad refractor offers sharp images and versatility at a reasonable price
Used AstroZap Glass Solar Filter. 257mm-264mm (clear aperture 203mm) - SCRATCHED BUT SAFE Size:257mm-264mm (clear aperture 203mm) but will block more strayThis is a returned item, practically in like new condition EXCEPT, there is a 2 inch scratch that goes all the way through to both sides of the glass. This scratch is extremely fine and is very difficult to see. We had to put a sticker on it so we would be able to find it again but yup, it's there. See the photos. Most importantly, we have tested this out two ways. We have held it up to the sun, and there is no flare along this scratch. After
