Compare Leica Summaron-M 28mm F5.6 vs Leica Summilux-M 21mm F1.4 vs 7Artisans M28mm F1.4
Construction
Aperture Blades
13 blades
Colors
Black
Black
Form Factor
Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Manual focus lens, Prime lens
Image Size
Full-Frame
Full-Frame
Full frame
Lens Barrel
Physical aperture ring, Distance scale
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Leica M-mount
Leica M-mount
M-mount
Optical Formula | Elements
6 elements
10 elements
11 elements
Optical Formula | Groups
4 groups
8 groups
9 groups
Optical Formula | Special Glass
2 aspherical elements5 anomolous dispersion elements groups
1x aspherical, 2x ED groups
Dimensions
Filter Diameter
34 mm / 1.34 in
52 mm
Size | Diameter
51 mm / 2.01 in
70 mm / 2.76 in
Size | Length
18 mm / 0.71 in
66 mm / 2.60 in
Weight
165 g / 5.83 oz
580 g / 20.49 oz
488 g
Function
Angle Of View
75.4° Diagonal | 65.5° Horizontal | 46.4° Vertical
91.7° Diagonal | 81.2° Horizontal | 59.5° Vertical
75°
Aperture
f/5.6 ~ f/22
f/1.4 ~ f/16
F/1.4 ~ f/16
Autofocus
No
No
Focal Length
28 mm
21 mm
28 mm
Focus Type
Extending front
Image Stabilization
No
No
N/A
Weather Resistance
No
No
Performance
Max Magnification
0.03x
0.03x
Min Focus Distance
1000 mm / 39.37 in
700 mm / 27.56 in
70 cm
Production
Accessory
Lens hood included
Lens hood included
Debut
2016-10-19
2008-09-15
2018-11
Made In
Germany
Germany
China
Reviews
Neofiliac score
70%
78%
Pros
- Exceptionally compact and lightweight
- Very bright maximum aperture
- Gorgeous rendering
- Very sharp
Cons
- Dark maximum aperture
- Low maximum magnification
- Lacks weather sealing
- Low maximum magnification
- Lacks weather sealing
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