Focus
Manual
Macro
Yes
Mount
Pentax 67
Format
6x7 medium format
Groups
4
Elements
6
Weight
600g
Filter Thread
77mm
Spec Notes
0.52x bare / 1.12x w/ life-size converter. 77mm. Aperture blade count NOT SOURCED (absent). Intro approximate.
Max Aperture
f/4
Min Focus Distance
31cm
Introduced
1990
Reproduction Ratio
1:2