Lens
Llens
Summilux-M 21/1.4 ASPH (11647)
580g
Focal length
21mm
Max Aperture
f/1.4
Weight
580g
Min Focus Distance
70cm
Produced 2008–2026 · medium confidenceBlue Moon Codexin production (2026 bound)
Date this from its serial number →Mount: Leica M — compatible with all Leica M-mount bodies.
Mount
Leica M
Notes
Series VIII filter in hood (no standard front thread).
Groups
8
Elements
10
Weight
580g
Length mm
66
Diameter mm
69.5
Max Aperture
f/1.4
Min Aperture
f/16
Min Focus Distance
70cm
Production End
2026
Aperture Blades
11
Introduced
2008
Focal Length (Max)
21mm
Focal Length (Min)
21mm
Production Start
2008