Contax Contax/Yashica mount Standard prime
Contax Zeiss 55mm f/1.2 Planar T*
Quick answer
The Contax Zeiss 55mm f/1.2 Planar T* is a standard prime lens covering 55mm at f/1.2 for the Contax/Yashica mount. Its very wide maximum aperture suits low light and shallow depth of field with strong background blur.
- Full frame
- APS-C (83mm equiv.)
- Micro Four Thirds (110mm equiv.)
- Other systems via mount adapter
- Focal
- 55mm
- Aperture
- f/1.2–16
- Weight
- 500g
- Filter
- 77mm
- Min focus
- 0.6m
- AF motor
- None
What 55mm sees
- Full frame crop 1.0×
- 42.9° 36.2° horizontal
- APS-C crop 1.5× → 83mm
- 29.4° 24.6° horizontal
- Micro Four Thirds crop 2.0× → 110mm
- 22.3° 18.6° horizontal
Diagonal angle of view. Frames drawn to scale at 55mm. Calculated from the focal length and crop factor (adapted mount, so sensor size depends on your camera), not measured.
Open the field-of-view calculatorContax Zeiss 55mm f/1.2 Planar T* specifications
Optics
- Focal length
- 55mm
- Maximum aperture
- f/1.2
- Minimum aperture
- f/16
- Format coverage
- Full frame
- Optical construction
- 8 elements in 7 groups
Focus
- Autofocus motor
- None
- Minimum focus distance
- 0.6 m
Physical
- Filter thread
- 77 mm
- Weight
- 500 g
- Length
- 60 mm
- Diameter
- 80 mm
General
- Brand
- Contax
- Mount
- Contax/Yashica
- Lens type
- Prime
Specification source: en.wikipedia.org
What can you shoot with the Contax Zeiss 55mm f/1.2 Planar T*?
At 55mm this is a standard prime, which typically suits:
- Everyday and street photography
- Natural-perspective portraits
- Documentary and travel work
Its very wide maximum aperture suits low light and shallow depth of field with strong background blur.
Frequently asked questions
What mount does the Contax Zeiss 55mm f/1.2 Planar T* use?
It uses the Contax/Yashica mount, so it fits Contax/Yashica cameras directly and can be used on other systems through a mount adapter.
What is the focal length of the Contax Zeiss 55mm f/1.2 Planar T*?
It is a fixed 55mm lens with a maximum aperture of f/1.2. That makes it a standard lens.
Is the Contax Zeiss 55mm f/1.2 Planar T* a prime or a zoom lens?
It is a prime lens with a fixed 55mm focal length. Primes usually open wider than zooms; this one opens to f/1.2.
What is the Contax Zeiss 55mm f/1.2 Planar T* equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 83mm on full frame, with a 24.6° horizontal and 29.4° diagonal field of view. On Micro Four Thirds (2x crop) it frames like 110mm on full frame, with a 18.6° horizontal and 22.3° diagonal field of view. These figures are calculated from the focal length and crop factor.
Alternatives for Contax/Yashica from other brands
All Contax/Yashica lensesSame mount, overlapping focal range, closest maximum aperture first.