Focus
Manual
Mount
M42
Format
35mm full frame
Groups
12
Coating
Super-Multi-Coated
Elements
13
Weight
570g
Length mm
81.5
Aspherical
Yes
Generation
Super-Multi-Coated (SMC only)
Stabilized
No
Diameter mm
80
Filter Note
internal rear filters; built-in hood
Max Aperture
f/3.5
Min Aperture
f/22
Min Focus Distance
30cm
Weather Sealed
No
Aperture Blades
6
Introduced
1975
Focal Length (Max)
15mm
Focal Length (Min)
15mm