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Sigma 20mm f/1.4 DG HSM Art Lens for Sigma SA

BH #SI2014S • MFR #412956
Sigma 20mm f/1.4 DG HSM Art Lens for Sigma SA
Key Features
  • SA Mount Lens/Full-Frame Format
  • Aperture Range: f/1.4 to f/16
  • Two FLD Elements and Five SLD Elements
  • Two Aspherical Elements
Truly wide and truly fast, the Sigma SA mount 20mm f/1.4 DG HSM Lens is a member of the venerable Art series of Global Vision lenses from Sigma and pairs a sophisticated optical design with a robust physical construction. Comprised of 15 elements in 11 groups, the lens design includes two "F" Low Dispersion (FLD) elements, five Special Low Dispersion (SLD) elements, and two aspherical elements to significantly reduce chromatic and spherical aberrations, as well as limit distortion for clean, sharp, and evenly illuminated imagery. A Super Multi-Layer Coating has also been applied to minimize surface reflections, flare, and ghosting for increased contrast and color accuracy. The wide focal length and consistent image quality make this lens especially suitable for landscape, interior, architectural, and astrophotography applications, while the fast f/1.4 maximum aperture deems it ideal for natural and low-light shooting.
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Sigma 20mm f/1.4 DG HSM Art Overview

By B&H Photo's

Truly wide and truly fast, the Sigma SA mount 20mm f/1.4 DG HSM Lens is a member of the venerable Art series of Global Vision lenses from Sigma and pairs a sophisticated optical design with a robust physical construction. Comprised of 15 elements in 11 groups, the lens design includes two "F" Low Dispersion (FLD) elements, five Special Low Dispersion (SLD) elements, and two aspherical elements to significantly reduce chromatic and spherical aberrations, as well as limit distortion for clean, sharp, and evenly illuminated imagery. A Super Multi-Layer Coating has also been applied to minimize surface reflections, flare, and ghosting for increased contrast and color accuracy. The wide focal length and consistent image quality make this lens especially suitable for landscape, interior, architectural, and astrophotography applications, while the fast f/1.4 maximum aperture deems it ideal for natural and low-light shooting.

Complementing the optical performance is an equally adept Hyper Sonic Motor, which provides fast, smooth, and near-silent autofocus performance. This focusing motor also enables full-time manual focus override at any time just by rotating the focus ring for refined manual control and focusing as close as 10.9". The lens barrel is constructed using a Thermally Stable Composite material, which supports working in a wide variety of temperatures and conditions, and the lens mount is constructed from brass for long-term durability and mounting accuracy. Additionally, this lens is also compatible with the optional Sigma USB Dock for fine-tuned control over focusing parameters and other lens characteristics.

As part of the Art line within Sigma's Global Vision series, this lens' is designed to achieve truly notable optical performance and is ideally suited for creative and artistic applications.
Prime wide-angle 20mm f/1.4 lens is designed for full-frame sensors and can also be used with APS-C models where it will provide a 30mm equivalent focal length.
Fast f/1.4 maximum aperture 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 FLD, five SLD, and two aspherical elements have been incorporated within the lens design to correct for chromatic aberrations throughout the entire focusing range and help to ensure high image sharpness, clarity, and contrast regardless of focus point or aperture setting. This optical design also helps to control distortion and limit vignetting.
A Super Multi-Layer Coating has been applied to lens elements in order to minimize lens flare and ghosting and contribute to producing contrast-rich and color-neutral imagery, even in backlit conditions.
The integrated HSM (Hyper Sonic Motor) realizes quick and quiet autofocusing, which is further complemented by an optimized AF algorithm to produce smoother focusing performance. The HSM also permits full-time manual focus control simply by rotating the focus ring at any time.
A rounded nine-blade diaphragm helps to produce an attractive out-of-focus quality.
Fixed petal-shaped lens hood helps to reduce lens flare when working in strong lighting conditions and also offers some protection to the front element of the lens.
The lens is constructed using a Thermally Stable Composite (TSC) material, along with traditional metals, for greater precision and use in wide temperature variations.
The bayonet mount is constructed from brass for ensured accuracy and durability.
This lens is compatible with the optional Sigma USB Dock for fine-tuning different lens characteristics and updating its firmware.
UPC: 085126412562

Sigma 20mm f/1.4 DG HSM Art Specs

Focal Length
20mm
Maximum Aperture
f/1.4
Minimum Aperture
f/16
Lens Mount
Sigma SA
Lens Format Coverage
Full-Frame
Angle of View
94.5°
Minimum Focus Distance
10.9" / 27.69 cm
Maximum Magnification
0.14x
Optical Design
15 Elements in 11 Groups
Diaphragm Blades
9, Rounded
Focus Type
Autofocus
Image Stabilization
No
Filter Size
No
Dimensions (ø x L)
3.57 x 5.11" / 90.7 x 129.8 mm
Weight
2.09 lb / 950 g
Packaging Info
Package Weight
2.85 lb
Box Dimensions (LxWxH)
7 x 4.9 x 4.7"

Sigma 20mm f/1.4 DG HSM Art Reviews

See any errors on this page? Let us know

question

will this lens work with my Canon 70D? and will the auto focus still work
Asked by: Anonymous
This is a Sigma mount lens and will not be compatible with the Canon 70D. You can use the Canon mount version, however, and it will autofocus.
Answered by: Heather S.
Date published: 2018-08-26

question

Does this lens works with the Sony A7s?
Asked by: Diego F.
Not directly. You must buy the Sigma to Sony E-mount (MC-11) adapter made by Sigma.
Answered by: Frank L.
Date published: 2021-09-07

question

how well does this lens perform on the canon 80d?
Asked by: Romel
This lens is designed to work very well with and of the Canon EOS systems.
Answered by: James B.
Date published: 2018-08-26

If the lens with hood is just 4.4" then it not a ...

If the lens with hood is just 4.4" then it not a long lens. Is it true the total length is just 4.4"?
Asked by: Louis
The Sigma 20mm f/1.4 DG HSM Art Lens for Leica L measures 6 inches long without the hood. The lens hood will add another couple of inches.
Answered by: Daniel
Date published: 2023-07-17

question

Does this include the USA warranty?
Asked by: Austin B.
Yes, this lens comes with a Limited 1-Year North and South America Warranty and Limited 3-Year U.S.A. Warranty Extension.
Answered by: Heather S.
Date published: 2018-08-26

question

I wanted to re- check on the 20mm filter size. Looks like 77mm filter is that correct. ? Thanks for your advise.
Asked by: Mr Walt
Yes, this lens has 77mm filter threads.
Answered by: Heather S.
Date published: 2021-07-23

question

Will this lens have weather sealing?
Asked by: Ahsan R.
At this time we cannot confirm what it will be. However, we presume it will be the same specification as the previous versions for Canon and Nikon and therefore the lens will not be weather sealed.
Answered by: Dennis A L.
Date published: 2018-12-03

Does this fit a cx 6000 mirror less

Does this fit a cx 6000 mirror less
Asked by: Pauline
Yes, the Sigma 20mm f/1.4 DG HSM Art Lens for Sony E does fit the Sony A6000 mirrorless camera.
Answered by: Lenny
Date published: 2019-05-28
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