APM 2 Inch Diagonal Prism – Fast Lock
APM 2 Inch Diagonal Prism – Fast Lock offers the highest accuracy for maximum magnification and image brightness for astronomical observation. Ultra-broadband coating with a 43mm unobstructed aperture. It offers the largest opening on the market, which means that all 2″ eyepieces can be used without vignetting.
This 2-inch APM prism features a CNC milled stable body and is secured with APM’s 2″ fast lock. The equipment is fastened by a center clamp which ensures exact alignment on the optical axis.
Features BK7 glass and a 2″/1.25″ adapter.