Optics
Optical Formula 6 elements in 4 groups
Aperture Range f/13.5 ~ f/13.5
Minimum Focusing Distance 20.0 m
Maximum Magnification 0.12 X
Special Features reflex lens





Mechanics
Front-Filter Thread no
Rear-Filter Diameter 52 mm
Maximum Diameter 180 mm
Length 530 mm
Weight 8000 g
Special Features tripod collar
Accessories
Cap hard leather slip-on cap, 181 mm
Fitting Hood(s) built-in hood
Fitting Case(s) dedicated trunk: no name