Sigma ART20mm f/1.4 DG HSM for Canon
Sigma
Manufacturer SKU: A20DGHC
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Photo Laplante SKU: SIA20DGHC
This large aperture lens has uncompromising high optical performance. Using a leading-edge design and state-of-the-art production technology, performance has been honed to the point where it can do full justice to the expressive power of the very latest digital cameras.
Excellent for photographing or video from subject such as cityscapes, landscapes to star-filled night skies.
At low apertures it can perform like a wide-angle lens, while if it’s opened up to f/1.4, it will give the background a pleasing bokeh effect for artistic expression.
Supplied accessories: Lens cap - Rear lens cap - Lens hood
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 |
| Maximum aperture | F1.4 |
| Minimum aperture | F16 |
| Aperture ring | No |
| Number of diaphragm blades | 9 |
| Aperture notes | Rounded blades |
| Elements | 15 |
| Groups | 11 |
| Special elements / coatings | Two FLD, five SLD elements + Super Multi-Layer coating |
| 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 |
| 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 |
