Zeiss telescope prisms prisma one 49x48x68 mm (2 inch) and two 43x42x60 mm
Zeiss prisms, one 49x48x68 mm (2 inch) and two 43x42x60 mm. The 2 inch is like new. The two of 42x43 mm are in used condition (see pictures) and probably come from a Dopplefernohr (D.F.). As they are.