Contax Zeiss 90mm f/2.8 Sonnar T*
Quick answer
The Contax Zeiss 90mm f/2.8 Sonnar T* is a short telephoto telephoto lens covering 90mm at f/2.8 for the Contax G mount. Its bright maximum aperture handles indoor and evening light reasonably well.
- Full frame
- APS-C (135mm equiv.)
- Micro Four Thirds (180mm equiv.)
- Other systems via mount adapter
- Focal
- 90mm
- Aperture
- f/2.8–22
- Weight
- 240g
- Filter
- 46mm
- Min focus
- 1m
What 90mm sees
- Full frame crop 1.0×
- 27° 22.6° horizontal
- APS-C crop 1.5× → 135mm
- 18.2° 15.2° horizontal
- Micro Four Thirds crop 2.0× → 180mm
- 13.7° 11.4° horizontal
Diagonal angle of view. Frames drawn to scale at 90mm. 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 90mm f/2.8 Sonnar T* specifications
Optics
- Focal length
- 90mm
- Maximum aperture
- f/2.8
- Minimum aperture
- f/22
- Format coverage
- Full frame
- Optical construction
- 5 elements in 4 groups
Focus
- Minimum focus distance
- 1 m
Physical
- Filter thread
- 46 mm
- Weight
- 240 g
- Length
- 63 mm
- Diameter
- 56 mm
Specification source: en.wikipedia.org
What can you shoot with the Contax Zeiss 90mm f/2.8 Sonnar T*?
At 90mm this is a short telephoto telephoto, which typically suits:
- Portraits with a flattering perspective
- Events and weddings
- Isolating subjects from the background
Its bright maximum aperture handles indoor and evening light reasonably well.
Frequently asked questions
What mount does the Contax Zeiss 90mm f/2.8 Sonnar T* use?
It uses the Contax G mount, so it fits Contax G cameras directly and can be used on other systems through a mount adapter.
What is the focal length of the Contax Zeiss 90mm f/2.8 Sonnar T*?
It is a fixed 90mm lens with a maximum aperture of f/2.8. That makes it a short telephoto lens.
Is the Contax Zeiss 90mm f/2.8 Sonnar T* a prime or a zoom lens?
It is a prime lens with a fixed 90mm focal length. Primes usually open wider than zooms; this one opens to f/2.8.
What is the Contax Zeiss 90mm f/2.8 Sonnar T* equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 135mm on full frame, with a 15.2° horizontal and 18.2° diagonal field of view. On Micro Four Thirds (2x crop) it frames like 180mm on full frame, with a 11.4° horizontal and 13.7° diagonal field of view. These figures are calculated from the focal length and crop factor.
