Quick answer
The Laowa 17mm f/4 Zero-D is a ultra-wide prime lens covering 17mm at f/4.0 for the Canon EF mount. Its moderate maximum aperture works best in good light or with a higher ISO.
About this lens
Laowa 17mm f/4 Zero-D: a wide-angle prime lens with a 17mm focal length and a maximum aperture of f/4, made for Canon EF mount cameras, with low-distortion design. A manual-focus wide-angle lens from Laowa designed for low distortion.
Laowa 17mm f/4 Zero-D specifications
What can you shoot with the Laowa 17mm f/4 Zero-D?
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 Laowa 17mm f/4 Zero-D use?
It uses the Canon EF mount, so it fits Canon EF cameras directly.
What is the focal length of the Laowa 17mm f/4 Zero-D?
It is a fixed 17mm lens with a maximum aperture of f/4.0. That makes it a ultra-wide lens.
Is the Laowa 17mm f/4 Zero-D 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/4.0.
What is the Laowa 17mm f/4 Zero-D 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 Laowa 17mm f/4 Zero-D 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.
