Compare Leica Summicron-M 28mm F2 vs Leica Summilux-M 21mm F1.4
Construction
Aperture Blades
10 blades, with clickstops (including half values), manual diaphragm
Colors
Black
Form Factor
Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Leica M-mount
Leica M-mount
Material
metal barrel, metal mount
Optical Formula | Elements
9 elements
10 elements
Optical Formula | Groups
6 groups
8 groups
Optical Formula | Special Glass
1 aspherical element groups
2 aspherical elements5 anomolous dispersion elements groups
Dimensions
Filter Diameter
46 mm / 1.81 in
Size | Diameter
53 mm / 2.09 in
70 mm / 2.76 in
Size | Length
41 mm / 1.61 in
66 mm / 2.60 in
Weight
270 g / 9.54 oz
580 g / 20.49 oz
Function
Angle Of View
75.4° Diagonal | 65.5° Horizontal | 46.4° Vertical
91.7° Diagonal | 81.2° Horizontal | 59.5° Vertical
Aperture
f/2 ~ f/16
f/1.4 ~ f/16
Autofocus
No
No
Focal Length
28 mm
21 mm
Focus Type
Extending front
Image Stabilization
No
No
Weather Resistance
No
Performance
Max Magnification
0.045x
0.03x
Min Focus Distance
700 mm / 27.56 in
700 mm / 27.56 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2008-09-15
Made In
Germany
Germany
Reviews
Neofiliac score
86%
78%
Pros
- Very lightweight and compact
- Beautiful, solid construction
- Very sharp
- Versatile focal length
- Very bright maximum aperture
- Gorgeous rendering
- Very sharp
Cons
- Low maximum magnification
- Low maximum magnification
- Lacks weather sealing
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