Brightin Star Sony E 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 Sony E mount. Its fast maximum aperture helps in dim light and gives good subject separation.
- APS-C (18mm equiv.)
- 52 Sony E cameras
- Focal
- 12mm
- Aperture
- f/2
- Weight
- 268g
- AF motor
- None
What 12mm sees
- APS-C crop 1.5× → 18mm
- 100.5° 90° 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
- Sony E
- 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 Sony E mount, so it fits Sony E 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 (1.5x crop) it frames like 18mm on full frame, with a 90° horizontal and 100.5° 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 Sony E-mount camera, including Sony A1, Sony A3000, Sony A5000, Sony A5100, and Sony A6000 and 47 more.
Alternatives for Sony E from other brands
All Sony E lensesSame mount, overlapping focal range, closest maximum aperture first.
