Contax Zeiss 400mm f/4 Tele-Apotessar T*
Quick answer
The Contax Zeiss 400mm f/4 Tele-Apotessar T* is a super telephoto telephoto lens covering 400mm at f/4.0 for the Contax N mount. Its moderate maximum aperture works best in good light or with a higher ISO.
- Full frame
- APS-C (600mm equiv.)
- Micro Four Thirds (800mm equiv.)
- Other systems via mount adapter
- Focal
- 400mm
- Aperture
- f/4–32
- Weight
- 3580g
- Min focus
- 2.9m
What 400mm sees
- Full frame crop 1.0×
- 6.2° 5.2° horizontal
- APS-C crop 1.5× → 600mm
- 4.1° 3.4° horizontal
- Micro Four Thirds crop 2.0× → 800mm
- 3.1° 2.6° horizontal
Diagonal angle of view. Frames drawn to scale at 400mm. 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 400mm f/4 Tele-Apotessar T* specifications
Optics
- Focal length
- 400mm
- Maximum aperture
- f/4.0
- Minimum aperture
- f/32
- Format coverage
- Full frame
- Optical construction
- 7 elements in 6 groups
Focus
- Minimum focus distance
- 2.9 m
Physical
- Weight
- 3580 g
- Length
- 290 mm
- Diameter
- 120 mm
Specification source: en.wikipedia.org
What can you shoot with the Contax Zeiss 400mm f/4 Tele-Apotessar T*?
At 400mm this is a super telephoto telephoto, which typically suits:
- Wildlife and birds
- Motorsport and field sports
- Distant subjects and the moon
Its moderate maximum aperture works best in good light or with a higher ISO.
Frequently asked questions
What mount does the Contax Zeiss 400mm f/4 Tele-Apotessar T* use?
It uses the Contax N mount, so it fits Contax N cameras directly and can be used on other systems through a mount adapter.
What is the focal length of the Contax Zeiss 400mm f/4 Tele-Apotessar T*?
It is a fixed 400mm lens with a maximum aperture of f/4.0. That makes it a super telephoto lens.
Is the Contax Zeiss 400mm f/4 Tele-Apotessar T* a prime or a zoom lens?
It is a prime lens with a fixed 400mm focal length. Primes usually open wider than zooms; this one opens to f/4.0.
What is the Contax Zeiss 400mm f/4 Tele-Apotessar T* equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 600mm on full frame, with a 3.4° horizontal and 4.1° diagonal field of view. On Micro Four Thirds (2x crop) it frames like 800mm on full frame, with a 2.6° horizontal and 3.1° diagonal field of view. These figures are calculated from the focal length and crop factor.
