Mount
Pentax K
Groups
6
Elements
7
Weight
865g
Autofocus
No
Filter Thread
77mm
Length mm
98
Diameter mm
80
Max Aperture
f/1.8
Min Aperture
f/22
Image Circle
Full Frame
Min Aperture
22
Min Focus Distance
120cm
Aperture Blades
9
Introduced
1984
Focal Length (Max)
135mm
Focal Length (Min)
135mm