Product ID: 9872

EAN: 0085126412654

  • E-Mount Lens / Full frame format
  • Opening range: f / 1.4 to f / 16
  • Two FLD elements and five SLD elements
  • Two aspherical elements
  • Super Multi-Layer Coating
  • Hyper Sonic AF Motor, manual override
  • 9-leaf rounded diaphragm
  • TSC material, brass bayonet mount
  • Built-in petal-shaped lens hood

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Sigma Lens 20 mm f / 1.4 DG HSM Art for Sony E

Truly wide and truly fast, the Sony HS-E 20mm f/1.4 DG HSM lens is a member of Sigma's venerable Art of Vision Global Vision series and combines sophisticated optical design with robust physical construction. 15 elements in 11 groups, the lens design includes two "F" low dispersion elements (FLD), five low special dispersion elements (SLD) and two aspherical elements to significantly reduce chromatic and spherical aberrations, as well as limit distortion for clean images, n n distortion for clean images.

Complementing the optical performance is an equally skilled Hyper Sonic Motor, which provides fast, smooth and almost silent autofocus performance. this focusing motor also allows full time manual focus override at any time by simply turning the focusing ring for refined manual control and focusing as close as 10.9" The lens body is constructed of a thermally stable composite material, which allows working in a variety of temperatures and conditions, and the lens mount is constructed of brass for durability and mounting accuracy.

As part of the Art line of Sigma's Global Vision series, this lens is designed for truly remarkable optical performance and is ideal for creative and artistic applications.

The Prime 20mm f/1.4 wide-angle lens is designed for full frame Sony E-mount frameless cameras and can also be used with DX models where it will provide an equivalent 30mm focal length.

The maximum aperture f / 1.4 fast is well suited for working in low light conditions and also provides greater control over the focus position when using shallow depth-of-field techniques.

Two FLDs, five SLDs and two aspherical elements have been incorporated into the lens design to correct chromatic aberrations throughout the focusing range and help ensure high image sharpness, clarity and contrast regardless of the focus point or aperture setting. This optical design also helps control distortion and limit vignetting.

A super multi-layer coating has been applied to the lens elements to minimize lens flare and ghosting, and helps produce images with contrast and neutral color, even under backlit conditions.

The integrated HSM (Hyper Sonic Motor) performs fast, quiet autofocus, complemented by an optimized AF algorithm to produce smoother focusing performance. The HSM also allows full-time manual focus control by simply turning the focus ring at any time.

A rounded nine-leaf diaphragm helps produce an attractive quality out of focus.

The petal-shaped fixed sun visor helps reduce lens glare when working in bright lighting conditions and also offers some protection to the front lens element.

The lens is constructed using a thermally stable composite material (TSC), along with traditional metals, for greater accuracy and use in wide temperature variations.

The bayonet mount is constructed of brass to ensure accuracy and durability.

Data sheet
Focal length 20 mm
Opening Maximum: f / 1.4
Minimum: f / 16
Type of camera mounting Sony
Format Compatibility 35mm film sensor / full frame digital
Point of view 94.5 °
Minimum Focusing Distance 10.9" / 27.69 cm
Maximum reproduction ratio 1: 7.1
Optical design 15 elements in 11 groups
Diaphragm Blades 9, rounded
Autofocus Yes, I do
Filter yarn None
Dimensions (DxL) Approx. 3.57 x 5.11 "/ 90.7 x 129.8 mm
Weight 2.09 lb / 950 g



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Great quality in a large lens
Santiago S. on 30/07/2018 (Automatic translation) Great lens with high quality, very interesting focal length and perfectly integrated with my sony A7RIII. Somewhat heavy but it is logical for a wide angle with this aperture.
Cristobal M. on 14/11/2018 (Automatic translation) The perfect goal
good goal
Juan E. on 28/01/2020 (Automatic translation) meets the perspectives I expected. I'll go for 10-400 soon. sigma

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