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Compare Leica Summilux-M 21mm F1.4 vs Zeiss Biogon T* 2/35 ZM vs Zeiss C Sonnar T* 1.5/50 ZM

Construction

Colors
Black
Silver or black
Silver or black
Form Factor
Ultra Wide-Angle Prime Lens
Wide-Angle Prime Lens
Normal 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 barrel, metal mount
Optical Formula | Elements
10 elements
9 elements
6 elements
Optical Formula | Groups
8 groups
6 groups
4 groups
Optical Formula | Special Glass
2 aspherical elements5 anomolous dispersion elements groups

Dimensions

Filter Diameter
43 mm / 1.69 in
46 mm / 1.81 in
Size | Diameter
70 mm / 2.76 in
52 mm / 2.05 in
56 mm / 2.20 in
Size | Length
66 mm / 2.60 in
68 mm / 2.68 in
63 mm / 2.48 in
Weight
580 g / 20.49 oz
240 g / 8.48 oz
350 g / 12.37 oz

Function

Angle Of View
91.7° Diagonal | 81.2° Horizontal | 59.5° Vertical
63.5° Diagonal | 54.4° Horizontal | 37.8° Vertical
46.8° Diagonal | 39.6° Horizontal | 27.0° Vertical
Aperture
f/1.4 ~ f/16
f/2 ~ f/22
f/1.5 ~ f/16
Autofocus
No
No
No
Focal Length
21 mm
35 mm
50 mm
Focus Type
Extending front
Image Stabilization
No
No
No
Weather Resistance
No

Performance

Max Magnification
0.03x
0.056
0.067
Min Focus Distance
700 mm / 27.56 in
700 mm / 27.56 in
900 mm / 35.43 in

Production

Accessory
Lens hood included
Debut
2008-09-15
Made In
Germany

Reviews

Neofiliac score
78%
86%
86%
Pros
  • Very bright maximum aperture
  • Gorgeous rendering
  • Very sharp
  • Light in the hand
  • Low distortion
  • Bright maximum aperture
  • Quite compact and lightweight
  • Solid build quality
Cons
  • Low maximum magnification
  • Lacks weather sealing
  • Low maximum magnification
  • Low maximum magnification
  • Classic rendering not to everyone's taste

Price

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