Sigma 20mm F1.4 DG HSM Art
Photographic lens
From Wikipedia, the free encyclopedia
The Sigma 20mm F1.4 DG HSM Art is an interchangeable wide angle lens announced by Sigma Corporation on October 16, 2015.
MakerSigma
Lens mountsCanon EF, Nikon F (FX), Sigma SA, Sony E
TypePrime
Focus driveRing-type ultrasonic
| Maker | Sigma |
|---|---|
| Lens mounts | Canon EF, Nikon F (FX), Sigma SA, Sony E |
| Technical data | |
| Type | Prime |
| Focus drive | Ring-type ultrasonic |
| Close focus distance | 0.30 metres (0.98 ft) |
| Max. magnification | 0.14 |
| Diaphragm blades | 9 |
| Construction | 15 elements in 11 groups |
| Features | |
| Manual focus override |  Yes |
| Weather-sealing |  No |
| Lens-based stabilization | No |
| Aperture ring | No |
| Physical | |
| Max. length | 130 millimetres (5.1 in) |
| Diameter | 91 millimetres (3.6 in) |
| Weight | 950 grams (2.09 lb) |
| History | |
| Introduction | 2015 |
Much like the similar 24mm F1.4, it is designed for wide angle photography with shallow depth of field. At full aperture, it has similar focus depth to a 35mm at f/2.8.
References
 | This article related to a photographic lens is a stub. You can help Wikipedia by adding missing information. |