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Sigma 20mm f/1.4 DG HSM Art Lens for Canon EF

BH #SI2014C • MFR #412954
Sigma 20mm f/1.4 DG HSM Art Lens for Canon EF
Key Features
  • EF 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 Canon EF 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 Canon EF 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 format Canon EF mount DSLRs, and can also be used with APS-C models where it will provide a 32mm 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: 085126412548

Sigma 20mm f/1.4 DG HSM Art Specs

Focal Length20mm
Maximum Aperturef/1.4
Minimum Aperturef/16
Lens MountCanon EF
Lens Format CoverageFull-Frame
Angle of View94.5°
Minimum Focus Distance10.9" / 27.69 cm
Maximum Magnification0.14x
Optical Design15 Elements in 11 Groups
Diaphragm Blades9, Rounded
Focus TypeAutofocus
Image StabilizationNo
Filter SizeNone
Dimensions (ø x L)3.57 x 5.11" / 90.7 x 129.8 mm
Weight2.09 lb / 950 g
Packaging Info
Package Weight2.715 lb
Box Dimensions (LxWxH)7.05 x 4.95 x 4.7"

Sigma 20mm f/1.4 DG HSM Art Reviews

Solid Lens

By Michael
Rated 5 out of 5
Date: 2022-12-25

Just took it out of the box for Christmas and shot a couple of test shots. Nice solid feel and great in low light so far.

Awesome photo equipment

By C D
Rated 5 out of 5
Date: 2022-02-10

This is an outstanding addition to my Canon 5DsR. The Canon lens I had been using never produced enough sharpness or contrast to utilize the 50 megapixel image of my camera. The Sigma 20mm Art lens proved it's reputation on the first image.

Great Product

By Ahmed
Rated 4 out of 5
Date: 2021-12-20

It's my first Sigma product ever. Couples of events work coverage and after that I can say: Great Sigma overall product. It's good looking Lens : Fast, Sharp and well build. Downside: it's pretty heavy. After a couple of minutes with it , you will notice the weight right away.

Exelente

By Eduardo
Rated 5 out of 5
Date: 2021-08-07

Very nice lent

The math does not lie

By Yuzhen
Rated 5 out of 5
Date: 2021-06-17

From a mathematical perspective, this is the best lens for astrophotography because in 25 s it could guzzle so much light with a F/1.4 aperture. While it is true that you could have a longer exposure time with the 14 mm F/1.8, but the F/1.4 aperture size makes the difference. Another advantage is that the 20 mm is not as wide as 14 mm, giving a slightly more pronounced view of the Milky Way core. Just an awesome lens.

Solid lens, great picture quality

By Michael
Rated 5 out of 5
Date: 2020-05-12

The lens is built like a tank. You get that impression when the package arrives, before you see it. It's heavy, solidly built and feels very good in the hand (it's nearly as heavy as the 70-200mm F2.8). With a lens that heavy and well built, you'd expect it to have great picture quality and...it doesn't disappoint. I've used the lens professionally for real estate photography and expect to use it on other projects as well. It's bright, fast and wide—perfect for architectural, landscape and night skies (I experimented just one night with a few pictures and wow! It's awesome). I've experimented shooting wide open at 1.4 - 2.0 and didn't see a noticeable difference in sharpness, although I preferred shooting at around 1.8 - 2.0. I highly recommend it!

Very Happy

By Peter
Rated 5 out of 5
Date: 2022-05-11

I purchased this lens for night exposures. I am not a fan of stacking so this fits my style and the lens has worked even better than expected. I do shoot at f1.4 for about 15-20 seconds at ISO 500-600. This is underexposing a bit, l but the RAW file works nicely and, the noise is acceptable and the reduced ISO looks great on an enlarged print

Crisp but Slow

By Haley
Rated 4 out of 5
Date: 2022-02-14

Quality of images are great but changing focus is often painfully slow. Performant in low light and seems well made.

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