ASKAR 203APO f/7 TRIPLET REFRACTOR Free_Shipping 25" barrel 24 mm Length

25" barrel 24 mm Length of 2" barrel 21 mm Diameter 55 mm Weight Varies for each focal length SKU BA2454200

they emit primarily at specific wavelengths of light

Azimuth fine adjustment range

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

45 mm diagonal Quantum efficiency >80% Read noise 0

ASKAR 203APO f/7 TRIPLET REFRACTOR Free_Shipping 25" barrel 24 mm LengthThe 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