Quick answer
The Viltrox 20mm f/2.8 is a ultra-wide prime lens covering 20mm at f/2.8 for the Canon RF mount. Its bright maximum aperture handles indoor and evening light reasonably well.
About this lens
This 20mm f/2.8 wide-angle prime lens from Viltrox fits Canon RF mount cameras. The wide view suits landscapes, architecture and environmental shots.
Viltrox 20mm f/2.8 specifications
- Brand
- Viltrox
- Mount
- Canon RF
- Focal length
- 20mm
- Maximum aperture
- f/2.8
- Lens type
- Prime
- Format coverage
- full-frame
- Optical construction
- 10 elements in 8 groups
- Autofocus motor
- STM
- Minimum focus distance
- 0.19 m
- Filter thread
- 52 mm
Specification source: viltrox.com
What can you shoot with the Viltrox 20mm f/2.8?
At 20mm this is a ultra-wide prime, 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 | 20mm | 84° | 94.5° |
| APS-C | 1.6x | 32mm | 58.7° | 68.1° |
Frequently asked questions
What mount does the Viltrox 20mm f/2.8 use?
It uses the Canon RF mount, so it fits Canon RF cameras directly.
What is the focal length of the Viltrox 20mm f/2.8?
It is a fixed 20mm lens with a maximum aperture of f/2.8. That makes it a ultra-wide lens.
Is the Viltrox 20mm f/2.8 a prime or a zoom lens?
It is a prime lens with a fixed 20mm focal length. Primes usually open wider than zooms; this one opens to f/2.8.
What is the Viltrox 20mm f/2.8 equivalent on a crop sensor?
On APS-C (1.6x crop) it frames like 32mm on full frame, with a 58.7° horizontal and 68.1° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Viltrox 20mm f/2.8 fit?
Any Canon RF-mount camera, including Canon EOS R, Canon EOS R1, Canon EOS R10, Canon EOS R100, and Canon EOS R3 and 9 more.
Alternatives for Canon RF from other brands
All Canon RF lensesSame mount, overlapping focal range, closest maximum aperture first.
