Quick answer
The Carl Zeiss Sonnar T* 180mm f/2.8 MMJ is a telephoto prime lens covering 180mm at f/2.8 for the Contax/Yashica mount. Its bright maximum aperture handles indoor and evening light reasonably well.
About this lens
The Carl Zeiss Sonnar T* 180mm f/2.8 MMJ is a manual-focus telephoto prime lens covering 180mm at f/2.8 for Contax/Yashica mount cameras. It brings distant subjects closer for sports, wildlife and events.
Carl Zeiss Sonnar T* 180mm f/2.8 MMJ specifications
- Brand
- Carl Zeiss
- Mount
- Contax/Yashica
- Focal length
- 180mm
- Maximum aperture
- f/2.8
- Lens type
- Prime
- Format coverage
- full-frame
- Optical construction
- 6 elements in 5 groups
- Autofocus motor
- none
- Minimum focus distance
- 1.4 m
- Filter thread
- 72 mm
- Weight
- 985 g
- Length
- 131 mm
- Diameter
- 82 mm
Specification source: en.wikipedia.org
What can you shoot with the Carl Zeiss Sonnar T* 180mm f/2.8 MMJ?
At 180mm this is a telephoto prime, which typically suits:
- Sports and action
- Wildlife and birds at moderate distance
- Compressing distant landscapes
Its bright maximum aperture handles indoor and evening light reasonably well.
Full-frame equivalent and field of view
Calculated from the focal length and crop factor (adapted mount, so sensor size depends on your camera). Not measured.
| Sensor | Crop | Equivalent | Horizontal FOV | Diagonal FOV |
|---|---|---|---|---|
| Full frame | 1.0x | 180mm | 11.4° | 13.7° |
| APS-C | 1.5x | 270mm | 7.6° | 9.2° |
| Micro Four Thirds | 2.0x | 360mm | 5.7° | 6.9° |
Frequently asked questions
What mount does the Carl Zeiss Sonnar T* 180mm f/2.8 MMJ 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 Carl Zeiss Sonnar T* 180mm f/2.8 MMJ?
It is a fixed 180mm lens with a maximum aperture of f/2.8. That makes it a telephoto lens.
Is the Carl Zeiss Sonnar T* 180mm f/2.8 MMJ a prime or a zoom lens?
It is a prime lens with a fixed 180mm focal length. Primes usually open wider than zooms; this one opens to f/2.8.
What is the Carl Zeiss Sonnar T* 180mm f/2.8 MMJ equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 270mm on full frame, with a 7.6° horizontal and 9.2° diagonal field of view. On Micro Four Thirds (2x crop) it frames like 360mm on full frame, with a 5.7° horizontal and 6.9° diagonal field of view. These figures are calculated from the focal length and crop factor.
