The Askar N160 is a Newtonian reflector with a 160mm aperture and a F3.6 native focal ratio, designed for deep-sky astrophotography. With the included 2-inch 0.95× coma corrector, the system focal ratio is optimized to F3.4. This coma corrector features a triplet air-spaced design and threaded connections, allowing it to be securely attached to the focuser. The N160 supports APS-C format imaging and delivers excellent star performance. Specifications Parameters Aperture size 160mm Focal length 576mm(without Corrector)/544mm(with Corrector) Focal ratio F3.6(without Corrector)/F3.4(with Corrector) Corrector reduction factor 0.95× Corrector type Triplet design Primary mirror type Parabolic mirror Format specifications APS-C Tube material Carbon fiber Secondary mirror short axis diameter 61mm Lens tube outer diameter 193mm Lens tube total length 467mm OTA weight 3.97kg Gross weight (including handle， tube ring， dovetail plate, and corrector) 5.2kg Corrector weight 0.22kg Resolution 0.73 Back focus 55mm（from the M48 thread） Rear-end thread type Corrector end：M48*0.75 Standard package items a N160 OTA, a pair of tube rings, 230mm dovetail plate, multifunctional handle, 0.95×MPCC, manual, M58 to M48 adapter, 0.1mm shim *2, 0.2mm shim *2, 0.3mm shim *2
