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Contax Contax/Yashica mount Wide-angle zoom

Contax Zeiss 28-85mm f/3.3 Vario-Sonnar T*

Quick answer

The Contax Zeiss 28-85mm f/3.3 Vario-Sonnar T* is a wide-angle to short telephoto zoom lens covering 28-85mm at f/3.3 for the Contax/Yashica mount. Its moderate maximum aperture works best in good light or with a higher ISO.

  • Full frame
  • APS-C (42–128mm equiv.)
  • Micro Four Thirds (56–170mm equiv.)
  • Other systems via mount adapter
Focal
28–85mm
Aperture
f/3.3–22
Weight
735g
Filter
82mm
Min focus
0.6m
AF motor
None

What 28-85mm sees

Full frame crop 1.0×
28.6–75.4° 23.9–65.5° horizontal
APS-C crop 1.5× → 42–128mm
19.3–54.5° 16.1–46.4° horizontal
Micro Four Thirds crop 2.0× → 56–170mm
14.5–42.2° 12.1–35.6° horizontal

Diagonal angle of view. Frames drawn to scale at 28mm (and 85mm). Calculated from the focal length and crop factor (adapted mount, so sensor size depends on your camera), not measured.

Open the field-of-view calculator

Contax Zeiss 28-85mm f/3.3 Vario-Sonnar T* specifications

Optics

Focal length
28-85mm
Maximum aperture
f/3.3
Minimum aperture
f/22
Format coverage
Full frame
Optical construction
16 elements in 13 groups

Focus

Autofocus motor
None
Minimum focus distance
0.6 m

Physical

Filter thread
82 mm
Weight
735 g
Length
98 mm
Diameter
85 mm

General

Brand
Contax
Lens type
Zoom

Specification source: en.wikipedia.org

What can you shoot with the Contax Zeiss 28-85mm f/3.3 Vario-Sonnar T*?

At 28-85mm this is a wide-angle to short telephoto zoom, which typically suits:

  • Landscapes and cityscapes
  • Street and travel photography
  • Environmental portraits and interiors
  • Everyday and street photography
  • Natural-perspective portraits

Its moderate maximum aperture works best in good light or with a higher ISO.

Frequently asked questions

What mount does the Contax Zeiss 28-85mm f/3.3 Vario-Sonnar 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 28-85mm f/3.3 Vario-Sonnar T*?

It zooms across 28-85mm with a maximum aperture of f/3.3. That makes it a wide-angle to short telephoto lens.

Is the Contax Zeiss 28-85mm f/3.3 Vario-Sonnar T* a prime or a zoom lens?

It is a zoom lens covering 28-85mm, so you can reframe without moving. Its maximum aperture is f/3.3.

What is the Contax Zeiss 28-85mm f/3.3 Vario-Sonnar T* equivalent on a crop sensor?

On APS-C (1.5x crop) it frames like 42–128mm on full frame, with a 16.1–46.4° horizontal and 19.3–54.5° diagonal field of view. On Micro Four Thirds (2x crop) it frames like 56–170mm on full frame, with a 12.1–35.6° horizontal and 14.5–42.2° diagonal field of view. These figures are calculated from the focal length and crop factor.