Lens
Llens
Tri-Elmar-M 16-18-21/4 ASPH (WATE, 11626)
335g
Focal length
16–21mm
Max Aperture
f/4
Weight
335g
Min Focus Distance
50cm
Produced 2006–2026 · 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
E67 filter via holder (no conventional front thread). Aperture blade count not published by Leica.
Groups
7
Elements
10
Weight
335g
Length mm
62
Diameter mm
54
Max Aperture
f/4
Min Aperture
f/22
Min Focus Distance
50cm
Production End
2026
Introduced
2006
Focal Length (Max)
21mm
Focal Length (Min)
16mm
Production Start
2006