Brightin Star Canon RF mount Ultra-wide prime
Brightin Star 12mm f/2 III
Quick answer
The Brightin Star 12mm f/2 III is a ultra-wide prime lens covering 12mm at f/2.0 for the Canon RF mount. Its fast maximum aperture helps in dim light and gives good subject separation.
- APS-C (19mm equiv.)
- 18 Canon RF cameras
- Focal
- 12mm
- Aperture
- f/2
- Weight
- 268g
- AF motor
- None
What 12mm sees
- APS-C crop 1.6× → 19mm
- 96.8° 86.3° horizontal
Diagonal angle of view. Frames drawn to scale at 12mm. Calculated from the focal length and crop factor, not measured.
Open the field-of-view calculatorBrightin Star 12mm f/2 III specifications
Optics
- Focal length
- 12mm
- Maximum aperture
- f/2.0
- Format coverage
- APS-C
- Optical construction
- 12 elements in 9 groups
- Aperture blades
- 10
Focus
- Autofocus motor
- None
Physical
- Weight
- 268 g
General
- Brand
- Brightin Star
- Mount
- Canon RF
- Lens type
- Prime
Specification source: brightinstar.com
What can you shoot with the Brightin Star 12mm f/2 III?
At 12mm this is a ultra-wide prime, which typically suits:
- Landscapes and big skies
- Architecture and interiors
- Astrophotography and night skies
Its fast maximum aperture helps in dim light and gives good subject separation.
Frequently asked questions
What mount does the Brightin Star 12mm f/2 III use?
It uses the Canon RF mount, so it fits Canon RF cameras directly.
What is the focal length of the Brightin Star 12mm f/2 III?
It is a fixed 12mm lens with a maximum aperture of f/2.0. That makes it a ultra-wide lens.
Is the Brightin Star 12mm f/2 III a prime or a zoom lens?
It is a prime lens with a fixed 12mm focal length. Primes usually open wider than zooms; this one opens to f/2.0.
What is the Brightin Star 12mm f/2 III equivalent on a crop sensor?
On APS-C (1.6x crop) it frames like 19mm on full frame, with a 86.3° horizontal and 96.8° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Brightin Star 12mm f/2 III fit?
Any Canon RF-mount camera, including Canon EOS R, Canon EOS R1, Canon EOS R10, Canon EOS R100, and Canon EOS R3 and 13 more.
Alternatives for Canon RF from other brands
All Canon RF lensesSame mount, overlapping focal range, closest maximum aperture first.