Mount
Leica M
Groups
7
Elements
9
Weight
300g
Filter Thread
55mm
Length mm
46
Diameter mm
58
Max Aperture
f/2.8
Min Aperture
f/16
Min Focus Distance
70cm
Production End
2011
Aperture Blades
8
Introduced
1997
Focal Length (Max)
21mm
Focal Length (Min)
21mm
Production Start
1997