Zoom
Yes
Focus
Manual
Mount
Pentax K
Format
35mm full frame
Groups
15
Elements
17
Weight
820g
Filter Thread
77mm
Spec Notes
Big constant-f/4 superzoom, 0.33x, 77mm, two-touch. Element count MED. Produced 1984-1991.
Max Aperture
f/4
Min Focus Distance
170cm
Aperture Blades
6
Introduced
1984