Lens
BA350B
Vlens
Voigtländer · Leica M · Lens
Color-Skopar 21mm f/3.5 Aspherical Type I VM
39mm filter · 180g
New
$799
Max Aperture
f/3.5
Weight
180g
Filter Thread
39mm
Min Focus Distance
50cm
Mount: Leica M — compatible with all Leica M-mount bodies.
Focus
Manual
Mount
Leica M
Format
35mm full frame
Groups
8
Version
I
Elements
9
Weight
180g
Filter Thread
39mm
Length mm
30
Spec Notes
Type I and Type II share an IDENTICAL optical formula (8 groups 9 elements) and identical diameter x length (52.0 x 30.0mm). They differ ONLY in weight and barrel: Type I = 180g; Type II = 220g, brass exterior. The catalog previously gave both rows 180g. Cosina: Type I discontinued July 2024. Numeric cells taken from Cosina product-catalog PDF where the live page did not render them as text.
Diameter mm
52
Max Aperture
f/3.5
Min Aperture
f/22
Length Basis
Cosina published Diameter x Length; datum is the mount flange
Min Focus Distance
50cm
Aperture Blades
10
Introduced
2019