Compare Leica Super-Elmar-M 21mm F3.4 vs Leica Summaron-M 28mm F5.6 vs Leica Summicron-M 28mm F2
Construction
Aperture Blades
10 blades, with clickstops (including half values), manual diaphragm
Colors
Black
Form Factor
Ultra Wide-Angle Prime Lens
Wide-Angle Prime Lens
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
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Leica M-mount
Leica M-mount
Leica M-mount
Material
Metal body, metal mount
metal barrel, metal mount
Optical Formula | Elements
8 elements
6 elements
9 elements
Optical Formula | Groups
7 groups
4 groups
6 groups
Optical Formula | Special Glass
2 aspheric elements, 4 anomalous partial dispersion glasselements groups
1 aspherical element groups
Dimensions
Filter Diameter
46 mm / 1.81 in
34 mm / 1.34 in
46 mm / 1.81 in
Size | Diameter
53 mm / 2.09 in
51 mm / 2.01 in
53 mm / 2.09 in
Size | Length
43 mm / 1.69 in
18 mm / 0.71 in
41 mm / 1.61 in
Weight
279 g / 9.86 oz
165 g / 5.83 oz
270 g / 9.54 oz
Function
Angle Of View
91.7° Diagonal | 81.2° Horizontal | 59.5° Vertical
75.4° Diagonal | 65.5° Horizontal | 46.4° Vertical
75.4° Diagonal | 65.5° Horizontal | 46.4° Vertical
Aperture
f/3.4 ~ f/16
f/5.6 ~ f/22
f/2 ~ f/16
Autofocus
No
No
No
Focal Length
21 mm
28 mm
28 mm
Image Stabilization
No
No
No
Weather Resistance
No
Performance
Max Magnification
0.03x
0.03x
0.045x
Min Focus Distance
700 mm / 27.56 in
1000 mm / 39.37 in
700 mm / 27.56 in
Production
Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2011-06-21
2016-10-19
Made In
Germany
Germany
Germany
Reviews
Neofiliac score
86%
70%
86%
Pros
- Compact and lightweight
- Solid all-metal construction
- Superb image quality
- High micro contrast
- Exceptionally compact and lightweight
- Very lightweight and compact
- Beautiful, solid construction
- Very sharp
- Versatile focal length
Cons
- Low maximum magnification
- Dark maximum aperture
- Low maximum magnification
- Lacks weather sealing
- Low maximum magnification
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