ASKAR FMA230 F/4.6 TRIPLET APO LENS Bar 5″ and 2

5″ and 2

75) thread to the Prima Luce Lab 50

SKU 1 m cable

The William Optics ZenithStar 61 Version II is a two element apochromatic refractor with a focal ratio of f/5

5 7mm M48 extension + 7mm M48 extension + M48 spacer 1mm + M48 spacer 0

ASKAR FMA230 F/4.6 TRIPLET APO LENS Bar 5″ and 2The Askar FMA230 F 4. 6 is an extremely versatile, lightweight triplet apochromatic refractor with a focal length of 230mm. The objective lens has an aperture of 50mm and includes two ED (extra low dispersion) lenses. The FMA230, when combined with the included quadruplet reducer, is a very capable super wide field astrograph with minimal chromatic aberration and distortion. As well as its superb imaging capability, it can be configured as a visual