Askar FMA180 pro

Askar FMA 180 Pro Advanced Compact Astrograph for Astrophotography Sextuplet Air-Spaced APO Design: The Askar FMA180 Pro features a premium sextuplet air-spaced APO design with three lenses in the front and three in the rear, including two ED glass elements. This design ensures exceptional chromatic aberration correction, providing crystal-clear, high-quality astrophotography and observation experiences. Optimized for Astrophotography: With an aperture of 40mm, f/4.5 focal ratio, and 180mm focal length, the FMA180 Pro is tailored for astrophotography, delivering sharp and detailed images of deep-sky objects. It also serves well for visual observations. Enhanced Features: The FMA180 Pro introduces a finder base and a 360° rotator, adding flexibility and precision during imaging sessions. The internal focusing design enhances stability, ensuring smooth and accurate performance in a compact, high-quality astrograph. Standard M48 Adapter: The FMA180 Pro comes equipped with an M48 adapter at the rear end and a standard 55mm back focus, ensuring compatibility with a wide range of cameras and imaging setups. Versatile Multifunctional Base: The multifunctional base allows the FMA180 Pro to serve as both an astrophotography tool and a finder scope when mounted onto other telescopes' finder bases after detaching the Vixen dovetail plate. Compact and Dedicated Design: The FMA180 Pro is a meticulously designed, compact astrograph that offers a premium experience for both amateur and professional astrophotographers, ensuring high-quality, chromatically accurate images with integrated functionality and stability. 4o Specifications FMA180 pro Parameters Aperture size 40mm Focal length 180mm Focal ratio f/4.5 Objective lens sextuplet with two ED glasses air-spaced APO Back focus 55mm Image circle 44mm Total length 167.5mm Total Weight (Including tube ring&dovetail plate） 0.8kg Rear-end thread type M48×0.75 (built-in 2" filter thread) Standard package items an 180pro OTA, an instruction manual   Software and Docs FMA180pro User's Manual