Tokina Contax/Yashica mount Short telephoto prime
Tokina AT-X M90 90mm f/2.5
Quick answer
The Tokina AT-X M90 90mm f/2.5 is a short telephoto prime lens covering 90mm at f/2.5 for the Contax/Yashica 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/2.5–32
- Weight
- 510g
- Filter
- 55mm
- Min focus
- 0.39m
- AF motor
- None
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 calculatorTokina AT-X M90 90mm f/2.5 specifications
Optics
- Focal length
- 90mm
- Maximum aperture
- f/2.5
- Minimum aperture
- f/32
- Format coverage
- Full frame
- Optical construction
- 9 elements in 7 groups
- Aperture blades
- 8
Focus
- Autofocus motor
- None
- Minimum focus distance
- 0.39 m
- Maximum magnification
- 0.5×
Physical
- Filter thread
- 55 mm
- Weight
- 510 g
- Length
- 77 mm
- Diameter
- 66 mm
General
- Brand
- Tokina
- Mount
- Contax/Yashica
- Lens type
- Prime
Specification source: tokinalens.com
What can you shoot with the Tokina AT-X M90 90mm f/2.5?
At 90mm this is a short telephoto prime, 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 Tokina AT-X M90 90mm f/2.5 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 Tokina AT-X M90 90mm f/2.5?
It is a fixed 90mm lens with a maximum aperture of f/2.5. That makes it a short telephoto lens.
Is the Tokina AT-X M90 90mm f/2.5 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/2.5.
What is the Tokina AT-X M90 90mm f/2.5 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.
Alternatives for Contax/Yashica from other brands
All Contax/Yashica lensesSame mount, overlapping focal range, closest maximum aperture first.
