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.