Baader Planetarium T-2 90 Degree High-Angle Prism - Black

T-2/90 degrees high-angle prism with 35 mm free opening Prism by Carl Zeiss Jena multi-coated, solid metal casing, T2 connection thread on both sides and therefore extremely Short Profile and Adaptable to any telescopic system. Connection lens side: 2 "or 11/4 inch connection eyepiece side: 11/4" Baader Planetarium T-2 high-angle Prism 90 Degree T-2 Part 01B)