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Zeiss Biogon T* 21mm f/2.8 ZM vs Voigtlander Color-Skopar 21mm F4 P

Both are Leica M prime lenses. Here is what actually differs.

Pick the Zeiss Biogon T* 21mm f/2.8 ZM if

  • You need 1 stop more light for low light or background blur (f/2.8 vs f/4)

Pick the Voigtlander Color-Skopar 21mm F4 P if

  • You want the lighter lens to carry: 144 g lighter (136 g vs 280 g)
  • You want a compact lens: 25.4 mm vs 64 mm long

Spec differences

10 differences
Specifications that differ between the Zeiss Biogon T* 21mm f/2.8 ZM and the Voigtlander Color-Skopar 21mm F4 P
Zeiss Biogon T* 21mm f/2.8 ZM Voigtlander Color-Skopar 21mm F4 P
Brand
Zeiss
Voigtlander
Format
Full frame
not listed
Max aperture
f/2.8 1 stop faster
f/4
Weight
280 g
136 g lighter
Length
64 mm
25.4 mm shorter
Diameter
not listed
55 mm
Filter thread
46 mm
39 mm
Max magnification
0.05×
not listed
Aperture blades
not listed
10
Optical design
9 elements / 7 groups
8 elements / 6 groups
6 identical specs hidden: mount, type, focal length, min focus distance, autofocus motor, image stabilization. Show all
Mount
Leica M both
Type
Prime both
Focal length
21mm both
Min focus distance
0.5 m both
Autofocus motor
Manual focus both
Image stabilization
No both

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