Askar N160&N210 Demonstration Video - Which Large‑Aperture Newtonian Reflector Should You Pick?

Askar N160 is a cost-effective Newtonian reflector with a 160mm aperture and a focal ratio of F3.4. When used with the included 2-inch 0.95× coma corrector, the system focal ratio is optimized to F3.4. https://www.sharpstar-optics.com/Prod... The N210 features a large 210mm aperture and a focal ratio of F3.6.When used with the included 2-inch 0.95× coma corrector, the system focal ratio is optimized to F3.4,which significantly shortens exposure times and achieves perfect compatibility with APS-C format for deep-sky imaging. https://www.sharpstar-optics.com/Prod...