Sigma 20mm F1.4 DG HSM Art Specs
Announced Oct 16, 2015
•
Prime lens | Canon EF, Nikon F (FX), Sigma SA Bayonet, Sony FE
| Principal specifications | ||
|---|---|---|
| Lens type | Prime lens | |
| Max Format size | 35mm FF | |
| Focal length | 20 mm | |
| Image stabilization | No | |
| Lens mount | Canon EF, Nikon F (FX), Sigma SA Bayonet, Sony FE | |
| Aperture | ||
| Maximum aperture | F1.4 | |
| Minimum aperture | F16 | |
| Aperture ring | No | |
| Number of diaphragm blades | 9 | |
| Aperture notes | Rounded blades | |
| Optics | ||
| Elements | 15 | |
| Groups | 11 | |
| Special elements / coatings | Two FLD, five SLD elements + Super Multi-Layer coating | |
| Focus | ||
| Minimum focus | 0.30 m (11.81″) | |
| Maximum magnification | 0.14× | |
| Autofocus | Yes | |
| Motor type | Ring-type ultrasonic | |
| Full time manual | Yes | |
| Focus method | Internal | |
| Distance scale | Yes | |
| DoF scale | No | |
| Physical | ||
| Weight | 950 g (2.09 lb) | |
| Diameter | 91 mm (3.57″) | |
| Length | 130 mm (5.11″) | |
| Sealing | No | |
| Colour | Black | |
| Hood supplied | Yes | |
| Tripod collar | No | |
| Other | ||
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