Compare Leica Super-Elmar-M 21mm F3.4 vs 7Artisans M28mm F1.4
Construction
Aperture Blades
13 blades
Colors
Black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Manual focus lens, Prime lens
Image Size
Full-Frame
Full frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Leica M-mount
M-mount
Material
Metal body, metal mount
Optical Formula | Elements
8 elements
11 elements
Optical Formula | Groups
7 groups
9 groups
Optical Formula | Special Glass
2 aspheric elements, 4 anomalous partial dispersion glasselements groups
1x aspherical, 2x ED groups
Dimensions
Filter Diameter
46 mm / 1.81 in
52 mm
Size | Diameter
53 mm / 2.09 in
Size | Length
43 mm / 1.69 in
Weight
279 g / 9.86 oz
488 g
Function
Angle Of View
91.7° Diagonal | 81.2° Horizontal | 59.5° Vertical
75°
Aperture
f/3.4 ~ f/16
F/1.4 ~ f/16
Autofocus
No
Focal Length
21 mm
28 mm
Image Stabilization
No
N/A
Performance
Max Magnification
0.03x
Min Focus Distance
700 mm / 27.56 in
70 cm
Production
Accessory
Lens hood included
Debut
2011-06-21
2018-11
Made In
Germany
China
Reviews
Neofiliac score
86%
Pros
- Compact and lightweight
- Solid all-metal construction
- Superb image quality
- High micro contrast
Cons
- Low maximum magnification
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