Quick answer
The Sigma 16mm f/2.8 Fisheye is a ultra-wide fisheye lens covering 16mm at f/2.8 for the Sigma SA mount. Its bright maximum aperture handles indoor and evening light reasonably well.
About this lens
This 16mm f/2.8 fisheye lens from Sigma fits Sigma SA mount cameras. It suits dramatic perspectives, astrophotography and creative wide-field work.
Sigma 16mm f/2.8 Fisheye specifications
- Brand
- Sigma
- Mount
- Sigma SA
- Focal length
- 16mm
- Maximum aperture
- f/2.8
- Lens type
- Fisheye
- Minimum focus distance
- 0.2 m
- Weight
- 400 g
- Length
- 67 mm
- Diameter
- 75 mm
Specification source: wikidata.org
What can you shoot with the Sigma 16mm f/2.8 Fisheye?
At 16mm this is a ultra-wide fisheye, which typically suits:
- Landscapes and big skies
- Architecture and interiors
- Astrophotography and night skies
Its bright maximum aperture handles indoor and evening light reasonably well.
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 | 16mm | 96.7° | 107° |
| APS-C | 1.5x | 24mm | 73.7° | 84.1° |
Frequently asked questions
What mount does the Sigma 16mm f/2.8 Fisheye use?
It uses the Sigma SA mount, so it fits Sigma SA cameras directly.
What is the focal length of the Sigma 16mm f/2.8 Fisheye?
It is a fixed 16mm lens with a maximum aperture of f/2.8. That makes it a ultra-wide lens.
Is the Sigma 16mm f/2.8 Fisheye a prime or a zoom lens?
It is a prime lens with a fixed 16mm focal length. Primes usually open wider than zooms; this one opens to f/2.8.
What is the Sigma 16mm f/2.8 Fisheye equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 24mm on full frame, with a 73.7° horizontal and 84.1° diagonal field of view. These figures are calculated from the focal length and crop factor.
