Sigma 40mm f1.4 DG HSM Art Lens – Sigma SA Mount
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Designed within the rigorous tolerances of a cine lens, the Sigma 40mm f1.4 DG HSM Art Lens is a wide normal-length lens characterized by a bright design and sophisticated optical layout. The fast f/1.4 maximum aperture helps to achieve shallow depth of field and selective focus effects, and also suits working in difficult lighting conditions. The optical design incorporates a series of low dispersion and aspherical elements, which help to improve sharpness and clarity by controlling both spherical and chromatic aberrations. A Super Multi-Layer Coating is also featured, and helps to minimize flare and ghosting for greater contrast and color accuracy when working in strong lighting conditions.
Features of the Sigma 40mm f1.4 DG HSM Art Lens
- Aperture Range: f/1.4 to f/16
- Three FLD Elements, Three SLD Elements
- One Aspherical Element
- Super Multi-Layer Coating
- Hyper Sonic AF Motor, Manual Override
- Weather-Sealed, Protective Front Coating
- Rounded 9-Blade Diaphragm
- Compatible with Sigma USB Dock
Complementing the imaging capabilities, the lens sports a Hyper Sonic Motor to produce quick, smooth, and quiet autofocus performance with full-time manual focus override. The physical design features a brass bayonet mount, which offers rigidity and mounting precision along with a seal to guard against dust and moisture. Additionally, a rounded nine-blade diaphragm contributes to a pleasing bokeh quality.
Specifications of the Sigma 40mm f1.4 DG HSM Art Lens
|Lens Mount||Sigma SA|
|Lens Format Coverage||Full-Frame|
|Angle of View||56.8°|
|Minimum Focus Distance||1.31′ / 40 cm|
|Optical Design||16 Elements in 12 Groups|
|Diaphragm Blades||9, Rounded|
|Filter Size||82 mm (Front)|
|Dimensions (ø x L)||3.46 x 5.16″ / 87.8 x 131 mm|
|Weight||2.65 lb / 1.2 kg|
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