Focus
Manual
Mount
Pentax 645
Format
645 medium format
Groups
8
Elements
9
Weight
470g
Filter Thread
77mm
Spec Notes
Wide, 77mm. Weight 470g (allphotolenses 324g figure rejected). Produced from 1984.
Max Aperture
f/3.5
Min Focus Distance
40cm
Aperture Blades
8
Introduced
1984