Compare Leica Summicron-M 35mm F2 vs Leica Super-Elmar-M 21mm F3.4 vs Voigtlander 21mm F1.8 Ultron
Construction
Aperture Blades
8 blades, with clickstops (including half values), manual diaphragm
10 blades
Colors
black anodized or silver chrome finish
Black
Form Factor
Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Leica M-mount
Leica M-mount
Leica M-mount
Material
metal barrel, metal mount
Metal body, metal mount
Metal barrel, metal mount
Optical Formula | Elements
7 elements
8 elements
13 elements
Optical Formula | Groups
5 groups
7 groups
11 groups
Optical Formula | Special Glass
1 aspherical element groups
2 aspheric elements, 4 anomalous partial dispersion glasselements groups
Aspherical element groups
Dimensions
Filter Diameter
39 mm / 1.54 in
46 mm / 1.81 in
58 mm / 2.28 in
Size | Diameter
53 mm / 2.09 in
53 mm / 2.09 in
62 mm / 2.44 in
Size | Length
35 mm / 1.38 in
43 mm / 1.69 in
92 mm / 3.62 in
Weight
255 g / 9.01 oz
279 g / 9.86 oz
412 g / 14.56 oz
Function
Angle Of View
63.5° Diagonal | 54.4° Horizontal | 37.8° Vertical
91.7° Diagonal | 81.2° Horizontal | 59.5° Vertical
91.7° Diagonal | 81.2° Horizontal | 59.5° Vertical
Aperture
f/2 ~ f/16
f/3.4 ~ f/16
f/1.8 ~ f/22
Autofocus
No
No
No
Focal Length
35 mm
21 mm
21 mm
Image Stabilization
No
No
Performance
Max Magnification
0.057x
0.03x
Min Focus Distance
700 mm / 27.56 in
700 mm / 27.56 in
500 mm / 19.69 in
Production
Accessory
Lens hood included
Lens hood included
Lens Hood: Non-detachable hood (supplied)
Debut
2011-06-21
2012-09-17
Made In
Germany
Germany
Japan
Reviews
Neofiliac score
86%
86%
88%
Pros
- Compact and lightweight
- Very sharp
- Solid all-metal build
- Compact and lightweight
- Solid all-metal construction
- Superb image quality
- High micro contrast
- Solid all-metal construction
- Very sharp
- Great sunstar
- Quite bright aperture
Cons
- Low maximum magnification
- Low maximum magnification
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