Overview
Manufacturer
Mount / Sensor Size
Keywords
Model ID
?
Announced
?
Focus
Focal Length
21mm
Autofocus
No
Manual Focus Ring
?
Minimum Focus
0.7 m
Max Magnification
0.034 x
Aperture
Maximum
F2.8 (3 stops from F1.0)
Minimum
F16
Step Size
?
Blades
9
Aperture Ring
Yes
Dimension
Length
46 mm
Diameter
58 mm
Filter Diameter ø
55 mm
Weight
300 g
Hood?
Yes
Tripod Collar?
No
Optics
Elements
9
Groups
7
Description
1 aspherical element
Links
Price
MSRP
?
eBay
?
Related Lenses
| Name | mmFocal Length | FAperture |
|---|---|---|
 Leica 21mm F1.4 SummiluxLeica M | 21 | F1.4 |
 Leica 21mm F3.4Leica M | 21 | F3.4 |
 Voigtlander 21mm F1.8Leica M | 21 | F1.8 |
 Voigtlander 21mm F4 IILeica M | 21 | F4 |
 Zeiss 21mm F2.8Leica M | 21 | F2.8 |
 Zeiss 21mm F4.5Leica M | 21 | F4.5 |