![Sigma 50mm f/1.4 DG HSM [A]](https://thumb.wikimedia.org/wikipedia/commons/thumb/b/b8/Sigma_50mm_F1.4_DG_HSM_-_A_%2814220123618%29.jpg/500px-Sigma_50mm_F1.4_DG_HSM_-_A_%2814220123618%29.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail)
Photo: Henry Söderlund from Helsinki, Finland (CC BY 2.0)
Quick answer
The Sigma 50mm f/1.4 DG HSM [A] is a standard prime lens covering 50mm at f/1.4 for the Canon EF mount. Its very wide maximum aperture suits low light and shallow depth of field with strong background blur.
About this lens
A 50mm f/1.4 full-frame fast standard prime lens, the Sigma 50mm f/1.4 DG HSM [A] is designed for Canon EF mount bodies, with Hyper Sonic Motor autofocus. A wide-aperture standard prime from Sigma's Art line.
Sigma 50mm f/1.4 DG HSM [A] specifications
- Brand
- Sigma
- Mount
- Canon EF
- Focal length
- 50mm
- Maximum aperture
- f/1.4
- Lens type
- Prime
- Format coverage
- full-frame
- Optical construction
- 13 elements in 8 groups
- Aperture blades
- 9
- Autofocus motor
- HSM
- Minimum focus distance
- 0.4 m
- Maximum magnification
- 0.18x
- Filter thread
- 77 mm
- Weight
- 815 g
Specification source: sigmaphoto.com
What can you shoot with the Sigma 50mm f/1.4 DG HSM [A]?
At 50mm this is a standard prime, which typically suits:
- Everyday and street photography
- Natural-perspective portraits
- Documentary and travel work
Its very wide maximum aperture suits low light and shallow depth of field with strong background blur.
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 | 50mm | 39.6° | 46.8° |
| APS-C | 1.6x | 80mm | 25.4° | 30.3° |
Frequently asked questions
What mount does the Sigma 50mm f/1.4 DG HSM [A] use?
It uses the Canon EF mount, so it fits Canon EF cameras directly.
What is the focal length of the Sigma 50mm f/1.4 DG HSM [A]?
It is a fixed 50mm lens with a maximum aperture of f/1.4. That makes it a standard lens.
Is the Sigma 50mm f/1.4 DG HSM [A] a prime or a zoom lens?
It is a prime lens with a fixed 50mm focal length. Primes usually open wider than zooms; this one opens to f/1.4.
What is the Sigma 50mm f/1.4 DG HSM [A] equivalent on a crop sensor?
On APS-C (1.6x crop) it frames like 80mm on full frame, with a 25.4° horizontal and 30.3° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Sigma 50mm f/1.4 DG HSM [A] fit?
Any Canon EF-mount camera, including Canon EOS 1D X, Canon EOS 5D, Canon EOS 5D Mark II, Canon EOS 5D Mark III, and Canon EOS 5D Mark IV and 7 more.
Alternatives for Canon EF from other brands
All Canon EF lensesSame mount, overlapping focal range, closest maximum aperture first.
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