Zoom
Yes
Focus
Manual
Mount
Pentax 645
Format
645 medium format
Groups
9
Elements
11
Weight
805g
Filter Thread
77mm
Spec Notes
Wide-normal zoom, 77mm, two-touch. Production years not firmly sourced.
Max Aperture
f/4.5
Min Focus Distance
50cm
Aperture Blades
8
Introduced
1984