Sigma Canon RF mount Ultra-wide prime
Sigma 12mm f/1.4 DC Contemporary
Quick answer
The Sigma 12mm f/1.4 DC Contemporary is a ultra-wide prime lens covering 12mm at f/1.4 for the Canon RF mount. Its very wide maximum aperture suits low light and shallow depth of field with strong background blur.
- APS-C (19mm equiv.)
- 18 Canon RF cameras
- Focal
- 12mm
- Aperture
- f/1.4–16
- Weight
- 250g
- Filter
- 62mm
- Min focus
- 0.17m
- AF motor
- Stepping motor
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 calculatorSigma 12mm f/1.4 DC Contemporary specifications
Optics
- Focal length
- 12mm
- Maximum aperture
- f/1.4
- Minimum aperture
- f/16
- Format coverage
- APS-C
- Optical construction
- 14 elements in 12 groups
- Aperture blades
- 9
Focus
- Autofocus motor
- Stepping motor
- Minimum focus distance
- 0.17 m
- Maximum magnification
- 0.12×
Physical
- Weather sealing
- Yes
- Filter thread
- 62 mm
- Weight
- 250 g
- Length
- 67.4 mm
- Diameter
- 69 mm
Specification source: sigma-global.com
What can you shoot with the Sigma 12mm f/1.4 DC Contemporary?
At 12mm this is a ultra-wide prime, which typically suits:
- Landscapes and big skies
- Architecture and interiors
- Astrophotography and night skies
Its very wide maximum aperture suits low light and shallow depth of field with strong background blur.
Frequently asked questions
What mount does the Sigma 12mm f/1.4 DC Contemporary use?
It uses the Canon RF mount, so it fits Canon RF cameras directly.
What is the focal length of the Sigma 12mm f/1.4 DC Contemporary?
It is a fixed 12mm lens with a maximum aperture of f/1.4. That makes it a ultra-wide lens.
Is the Sigma 12mm f/1.4 DC Contemporary 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/1.4.
What is the Sigma 12mm f/1.4 DC Contemporary 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 Sigma 12mm f/1.4 DC Contemporary 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.