The new Sigma 20mm f/1.4 DG HSM Art lens for Nikon F mount is now in stock and shipping

Sigma 20mm f:1.4 DG HSM Art lens
The Sigma 20mm f/1.4 DG HSM Art lens for Nikon mount is now in stock at B&H and Adorama. This is the fastest 20mm lens available today (or the world’s first 20mm f/1.4 lens).

Additional technical information:

Sigma 20mm f:1.4 DG HSM Art lens 3
Specifications:

Lens construction 15 elements in 11 groups
Minimum aperture F16
Angle of view (35mm equivalent) 94.5°
Minimum focusing distance 27.6 cm / 10.9 in.
Dimensions (diameter x length) φ90.7mm x 129.8mm / 3.6 in. x 5.1 in.
Number of diaphragm blades 9 (rounded diaphragm)
Maximum magnification ratio 1:7.1
Weight 950 g / 33.5 oz.

Sigma-20mm-f1.4-DG-HSM-Art-lens-2-550x329
Features:

  • A Hyper Sonic Motor (HSM) that ensures a silent, high-speed AF function. Smoother AF is achieved when the this AF algorithm is optimized
  • A nine-blade, rounded diaphragm creates an attractive blur to the out-of-focus areas of the image
  • A brass bayonet mount of highly precise and durable construction to enhance mount’s strength and long-term wear resistance

MTF chart:

Sigma-20mm-f1.4-DG-HSM-Art-lens-MTF-chart
Lens design:

Sigma-20mm-f1.4-DG-HSM-Art-lens-design
Chromatic aberration:

Sigma 20mm f:1.4 DG HSM Art lens chromatic_aberration
Vignetting:

Sigma 20mm f:1.4 DG HSM Art lens vignetting
Distortion:

Sigma 20mm f:1.4 DG HSM Art lens distortion
The full press release can be found here.

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