Mount
Pentax K
Groups
6
Elements
7
Weight
235g
Autofocus
No
Filter Thread
49mm
Length mm
37
Diameter mm
63
Max Aperture
f/1.4
Min Aperture
f/22
Image Circle
Full Frame
Min Aperture
22
Min Focus Distance
45cm
Aperture Blades
8
Introduced
1977
Focal Length (Max)
50mm
Focal Length (Min)
50mm