Photo: Rich Niewiroski Jr. (CC BY 2.5)
Quick answer
The Sigma 8mm f/3.5 EX DG Circular is a ultra-wide prime lens covering 8mm at f/3.5 for the Nikon F mount. Its moderate maximum aperture works best in good light or with a higher ISO.
About this lens
This 8mm f/3.5 full-frame wide-angle prime lens from Sigma fits Nikon F mount cameras. The wide view suits landscapes, architecture and environmental shots.
Sigma 8mm f/3.5 EX DG Circular specifications
What can you shoot with the Sigma 8mm f/3.5 EX DG Circular?
At 8mm 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 | 8mm | 132.1° | 139.4° |
| APS-C | 1.5x | 12mm | 112.6° | 122° |
Frequently asked questions
What mount does the Sigma 8mm f/3.5 EX DG Circular use?
It uses the Nikon F mount, so it fits Nikon F cameras directly.
What is the focal length of the Sigma 8mm f/3.5 EX DG Circular?
It is a fixed 8mm lens with a maximum aperture of f/3.5. That makes it a ultra-wide lens.
Is the Sigma 8mm f/3.5 EX DG Circular a prime or a zoom lens?
It is a prime lens with a fixed 8mm focal length. Primes usually open wider than zooms; this one opens to f/3.5.
What is the Sigma 8mm f/3.5 EX DG Circular equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 12mm on full frame, with a 112.6° horizontal and 122° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Sigma 8mm f/3.5 EX DG Circular fit?
Any Nikon F-mount camera, including Nikon D3, Nikon D300, Nikon D3000, Nikon D300S, and Nikon D3100 and 35 more.
Alternatives for Nikon F from other brands
All Nikon F lensesSame mount, overlapping focal range, closest maximum aperture first.