Looking to find more information regarding these two camera lenses? Check out our side by side comparison of the Carl Zeiss Biogon T 2,825 ZM vs Leica Summicron-M 28mm f2 ASPHto review specs, pros and cons, and which is right for you.
Carl Zeiss Biogon T2,8/25 ZM Top Features
- 25mm Focal Range
- F2.8 Max Aperture
- Filter Thread: 46mm
- Max Format: 35mm FF
- Leica M Mount
- Weight: 260g.
- Diameter: 53mm
- Length: 71mm
- Min Focus Distance:0.5m
- Max Magnification:0.056x
Leica Summicron-M 28mm f2 ASPH Top Features
- 28mm Focal Range
- F2.0 Max Aperture
- Filter Thread: 46mm
- Max Format:
- Leica M Mount
- Weight: 270g.
- Diameter: 53mm
- Length: 41mm
- Min Focus Distance:0.7m
- Max Magnification:0.045x
Our Winner: Carl Zeiss Biogon T 2,825 ZM over Leica Summicron-M 28mm f2 ASPH
Focal Length – Wide
25mm
vs
28mm
3mm Wider coverage
Weight
260g
vs
270g
10g lighter
Minimum Focus Distance
0.5m
vs
0.7m
can focus closer to the subject
Max Magnification
0.056x
vs
0.045x
higher magnification better for close-up shots
Focal Length – Tele
28mm
vs
25mm
3mm more Tele coverage
Max Aperture – Wide
2
vs
2.8
Wider aperture at wide end
Max Aperture – Tele
2
vs
2.8
Wider aperture at tele end
Diaphgragm Blades
10
vs
Potentially more rounded and smooth bokeh
Length
41mm
vs
71mm
30mm shorter
Image Stabilization
No
vs
No
Reliant on in-body Image Stabilization
Autofocus
No
vs
No
Slow and less accurate focusing
Weather Sealing
No
vs
No
not safe under rain and dust
Carl Zeiss Biogon T2,8/25 ZM vs Leica Summicron-M 28mm f2 ASPH All Features
General
Carl Zeiss Biogon T2,8/25 ZM
Leica Summicron-M 28mm f2 ASPH
Brand
Zeiss
Leica
Lens Type
Prime
Prime
Price
CHECK PRICE
CHECK PRICE
Lens Type
Wideangle Prime
Wideangle Prime
Lens Mount
Leica M
Leica M
Max Format
35mm FF
35mm FF
Focal Range
25mm
28mm
Image Stabilization
No
No
Colour
Silver or black
Unknown
Zoom Method
No Zoom
No Zoom
Power Zoom
No
No
Zoom Lock
No
No
Zoom Ratio
1.0X
1.0X
Aperture
Max Aperture
F2.8
F2.0
Min Aperture
F22.0
F16.0
Aperture Ring
Yes
Yes
Diaphragm Blades
unknown
10
Optics
Optical Elements
9
9
Optical Groups
7
6
Special Elements
unknown
1 aspherical element
Focusing
Min Focus Distance
0.5m
0.7m
Max Magnification
0.056X
0.045X
Autofocus
No
No
AF Motor Type
None
None
Full Time Manual
N/A
N/A
Focus Method
Unknown
Unknown
Distance Scale
Yes
Yes
DoF Scale
Yes
Yes
Distance Scale
Yes
Yes
Focus Distance Limiter
Unknown
Unknown
Physical Specs
Weight
260g
270g
Diameter
53mm
53mm
Length
71mm
41mm
Materials
metal barrel, metal mount
metal barrel, metal mount
Weather Sealing
Unknown
Unknown
Filter Thread
46mm
46mm
Filter Notes
–
–
Hood Supplied
Unknown
Yes
Hood Code
Unknown
Unknown
Tripod Collar
No
No
Optional Accessories
–
–
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