Sigma 35mm F1.4 DG HSM "Art"
Specifications
The Sigma 35mm F1.4 "Art" lens features Sigma's latest technologies, including full-time manual focus override, silent HSM autofocus, super multi-layer anti-flare coatings, and SLD/FLD glass elements to reduce aberrations.
The barrel of the lens is made of metal and features carefully-machined components.
| Lens Name | Sigma 35mm F1.4 DG HSM "Art" |
| Optical Formula | 13 elements in 11 groups. 4 SLD, 1 FLD, 2 aspherical elements |
| Image Circle | 35mm full-frame |
| Image Stabilization | In-lens: N/A In-body: Pentax, Sony |
| Autofocus Type | Built-In HSM Motor |
| Field of View | 63.4° (full-frame/35mm film) 44.0° (APS-C) |
| Aperture Range | F1.4 - F16 |
| Aperture Blades | 9 (rounded) |
| Aperture Ring | N/A |
| Max. Magnification | 0.19x (1:5.2) |
| Minimum Focusing Distance | 30cm (11.8in.) |
| Internal Focus | Yes |
| Full-Time Manual Focus | Yes |
| Filter Diameter | 67mm |
| Cap | Plastic, pinch type |
| Hood | Included, petal-style |
| Case | Included (rigid soft case) |
| Diameter x Length | 77 x 94mm (3.0 x 3.7in.) |
| Weight | 665g (23.5oz.) |
| Pentax Mount Designation | KAF3 |
| Weather Sealing | N/A |
| Price (US MSRP) | |
| Other Available Mounts | Nikon F, Canon EF, Sony Alpha, Sigma |
As one of Sigma's latest lenses, the 35mm F1.4 compatible with the Sigma USB dock, a $59 PC accessory that allows you to calibrate the lens and upgrade its firmware at home. As of the writing of this review (October, 2013), the USB dock is available for Canon, Nikon, and Sigma mounts. Sigma has not stated that the dock will be made for Pentax and Sony mounts.
