Askar FRA300PRO

Askar FRA300 Pro Compact and High-Performance Astrograph Smallest and Fastest in the Series: The Askar FRA300 Pro is the latest addition to the popular FRA series, boasting a 60mm aperture and a fast F/5 native focal ratio. With a focal length of 300mm, this is the smallest and fastest astrograph in the FRA series, perfect for amateur astronomers seeking sharp, delicate stars. Exceptional Star Quality: The FRA300 Pro delivers outstanding performance with an RMS radius of just 2μm at the center of the field of view, ensuring star shapes that satisfy even the most discerning users. It supports 44mm full-frame imaging, making it a rare and valuable tool for astrophotography. Advanced Optical Design: Featuring a quintuplet fully air-spaced structure with one ED glass element, the FRA300 Pro effectively removes stray light and offers superior aberration correction. The rear group lenses, which include two far-separated refractive lenses, enhance star quality and control full-frame per