Quick answer
The Tokina 17mm f/3.5 AT-X 17 AF Pro is a ultra-wide prime lens covering 17mm at f/3.5 for the Canon EF mount. Its moderate maximum aperture works best in good light or with a higher ISO.
About this lens
The Tokina 17mm f/3.5 AT-X 17 AF Pro is a wide-angle prime lens covering 17mm at f/3.5 for Canon EF mount cameras. The wide view suits landscapes, architecture and environmental shots.
Tokina 17mm f/3.5 AT-X 17 AF Pro specifications
- Brand
- Tokina
- Mount
- Canon EF
- Focal length
- 17mm
- Maximum aperture
- f/3.5
- Lens type
- Prime
- Format coverage
- full-frame
- Optical construction
- 11 elements in 9 groups
- Aperture blades
- 7
- Minimum focus distance
- 0.25 m
- Maximum magnification
- 0.11x
- Filter thread
- 77 mm
- Weight
- 435 g
- Length
- 57 mm
- Diameter
- 84 mm
Specification source: tokinalens.com
What can you shoot with the Tokina 17mm f/3.5 AT-X 17 AF Pro?
At 17mm this is a ultra-wide prime, which typically suits:
- Landscapes and big skies
- Architecture and interiors
- Astrophotography and night skies
Its moderate maximum aperture works best in good light or with a higher ISO.
Full-frame equivalent and field of view
Calculated from the focal length and crop factor. Not measured.
| Sensor | Crop | Equivalent | Horizontal FOV | Diagonal FOV |
|---|---|---|---|---|
| Full frame | 1.0x | 17mm | 93.3° | 103.7° |
| APS-C | 1.6x | 27mm | 67° | 77° |
Frequently asked questions
What mount does the Tokina 17mm f/3.5 AT-X 17 AF Pro use?
It uses the Canon EF mount, so it fits Canon EF cameras directly.
What is the focal length of the Tokina 17mm f/3.5 AT-X 17 AF Pro?
It is a fixed 17mm lens with a maximum aperture of f/3.5. That makes it a ultra-wide lens.
Is the Tokina 17mm f/3.5 AT-X 17 AF Pro a prime or a zoom lens?
It is a prime lens with a fixed 17mm focal length. Primes usually open wider than zooms; this one opens to f/3.5.
What is the Tokina 17mm f/3.5 AT-X 17 AF Pro equivalent on a crop sensor?
On APS-C (1.6x crop) it frames like 27mm on full frame, with a 67° horizontal and 77° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Tokina 17mm f/3.5 AT-X 17 AF Pro fit?
Any Canon EF-mount camera, including Canon EOS 1D X, Canon EOS 5D, Canon EOS 5D Mark II, Canon EOS 5D Mark III, and Canon EOS 5D Mark IV and 7 more.
Alternatives for Canon EF from other brands
All Canon EF lensesSame mount, overlapping focal range, closest maximum aperture first.
