Focus
Manual
Mount
Pentax 67
Format
6x7 medium format
Groups
7
Elements
8
Weight
920g
Filter Thread
100mm
Spec Notes
Early wide, huge 100mm filter. Distinct from the later 55/4. Produced 1969-1979.
Max Aperture
f/3.5
Min Focus Distance
45cm
Aperture Blades
8
Introduced
1969