ASKAR 203APO f/7 TRIPLET REFRACTOR Free_Shipping 2 TOA-645 flattener backfocus distance

2 TOA-645 flattener backfocus distance 73

The ToupTek ATR294M PRO Mono is a cooled astronomy camera using the Sony IMX492 back-illuminated CMOS sensor

M68 BA2459118 - for cameras with male M68 x 1 threads

Azimuth fine adjustment range

The ZWO FF65 is a professional apochromatic flatfield Petzval quintuplet with a focal ratio of f/6

ASKAR 203APO f/7 TRIPLET REFRACTOR Free_Shipping 2 TOA-645 flattener backfocus distanceThe Askar 203APO is an apochromatic air spaced triplet refractor that offers high performance for a low price compared to other large 8" triplets on the market. The objective lens features an element of extra low dispersion glass (ED) that minimizes chromatic aberration. The Askar 203APO has a 20% larger effective aperture area than the 185APO, giving greater light gathering power, resolution, brightness and contrast. Askar will soon release a