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

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

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

B&H # SI2014SO MFR # 412965
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Product Highlights

  • E-Mount Lens/Full-Frame Format
  • Aperture 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
  • Rounded 9-Blade Diaphragm
  • TSC Material, Brass Bayonet Mount
  • Built-In Petal-Shaped Lens Hood
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Lens Mount: Sony E

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Sony E
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Sigma 20mm f/1.4 DG HSM Art Overview

  • 1Description

Truly wide and truly fast, the Sony E-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.

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 Sony E-mount mirrorless cameras, and can also be used with DX 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.
UPC: 085126412654
In the Box
Sigma 20mm f/1.4 DG HSM Art Lens for Sony E
  • LC907-01 Plastic 20mm f/1.4 Lens Cap
  • Rear Cap LCR II for Sony E Mount Lenses
  • Lens Case
  • Limited 1-Year Warranty
  • Limited 3-Year U.S.A. Warranty Extension
  • Table of Contents
    • 1Description

    Sigma 20mm f/1.4 DG HSM Art Specs

    Focal Length 20mm
    Maximum Aperture f/1.4
    Minimum Aperture f/16
    Lens Mount Sony E
    Format Compatibility Full-Frame
    Angle of View 94.5
    Maximum Magnification 0.141x
    Minimum Focus Distance 10.9" / 27.69 cm
    Optical Design 15 Elements in 11 Groups
    Diaphragm Blades 9, Rounded
    Focus Type Autofocus
    Image Stabilization None
    Filter Size None
    Dimensions ( x L) 3.6 x 5.1" / 90.7 x 129.8 mm
    Weight 2.1 lb / 950 g
    Packaging Info
    Package Weight 3.5 lb
    Box Dimensions (LxWxH) 7.9 x 4.8 x 4.7"

    Sigma 20mm f/1.4 DG HSM Art Reviews

    20mm f/1.4 DG HSM Art Lens for Sony E is rated 4.0 out of 5 by 4.
    Rated 5 out of 5 by from It Delivers Every Time! 20mm on a FF body is quite a bit wide.  Its not a focal length I use every day.  I am not heavy into landscapes either.  But I absolutely love 20mm FOV on my A7R3 camera when I use it.  And this lens comes through every time.  It is amazingly sharp, with excellent colors and micro contrast.  Bokeh is not bad at all.  AF is not instantaneous, but fast enough for most use.  Its a bit on the heavy side, but you just have to expect that for a lens of this quality and aperture.  It feels very well-made. I know others have complained about it for video use; I dont shoot video.  For still, this lens is well-worth the price and weight.  Highly recommend it.
    Date published: 2018-12-06
    Rated 3 out of 5 by from Falls flat in AF-C video autofocus Beautiful. Well constructed. Heavy. Really slow to autofocus in video mode. Using the Sony A6500. Unusable without all settings set to fastest focus and responsiveness. Even at those settings, this lens takes 4x longer when actively focusing than all my native sony lenses. Worst yet is that it often simply doesn't adjust focus at all, for example when panning over to a very nearby object, or having a subject walk into frame. Spot focus / touchscreen focus can ameliorate this somewhat. Unfortunately there are no reasonably priced fast sony lenses in this genre, so this will make due for now. It is NOT even close to as effective in video AF-C focusing as native sony glass, though.
    Date published: 2018-07-13
    Rated 3 out of 5 by from Slow to Autofocus I typically use GM series lenses for my A7sii. At the time of my purchase, nothing was available for the native e mount. The Sigma 20 is very slow to autofocus in video mode. It's almost unusable because you end up missing a ton of shots...and focusing makes the shot look amateurish. Now GM has released a 24 but unfortunately this sigma was the only wide lens available at the time. If you are shooting pics, its fantastic. But unusable for video unless you are doing some time lapse
    Date published: 2018-10-01
    Rated 5 out of 5 by from Excelent lens Great
    Date published: 2019-01-17
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    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

    This is a heavy lens, how do the sony a7iii ...

    This is a heavy lens, how do the sony a7iii contacts hold up with 2lbs hanging off it?
    Asked by: chris
    i use to work with it on a7rii on rhino slider and it is very sharp lens with awesome distortion & low light.
    Answered by: Anonymous
    Date published: 2019-05-01


    What is the thread mm diamter on the 20mm f1/4?
    Asked by: Vince C.
    Actually, the decision was taken out of Sigma's hands by physics. If you look at the front of the lens, the glass element is so bulbous, it is far in front of any place filter threads could be mounted. Even if you could mount a filter, it would vignette. That is why the above solution was created. You will find similar issues for other lenses such as the Nikon 14-24mm F/2.8. Under its filter accessories, you will find similar solutions.
    Answered by: Dennis A L.
    Date published: 2018-11-07

    Does this fit a cx 6000 mirror less

    Does this fit a cx 6000 mirror less
    Asked by: Pauline

    Does this lens fit a Sony cx 6000

    Does this lens fit a Sony cx 6000
    Asked by: Pauline
    If you have Sony Alpha a6000 yes. But it's going to be 30mm lens and I think it is going to be a little bit big for that camera. I would suggest Sigma 16mm 1.4 e mount lens for APSC size sensor.
    Answered by: Anonymous
    Date published: 2019-01-19


    Does this lens have image stabilization?
    Asked by: Anonymous
    the LENS does NOT have stabilization, like many other wide angle lens. The body that you use, as mentioned prior, may have stabilization but that is completely different than stating that the lens has stabilization built into it.
    Answered by: Chad
    Date published: 2018-12-21


    How does this lens perform for astrophotography?
    Asked by: Uday
    In terms of raw specs, this lens is pretty much a dream for astrophotography. 20mm provides a good frame and f/1.4 is as good as it gets. One major issue with shooting wide open on this lens is the amount of coma that the lens exhibits on the edges and corners - and not even the far edges. It is very significant until you stop down to about f/2.8. f/2.0 is pretty decent but still pretty obvious. Very mild vignetting and chromatic aberration is not bad though.I ended up returning my copy, but not entirely just because of the image quality. It is also a very large and heavy lens coming in at over 2 lbs.
    Answered by: Anonymous
    Date published: 2018-12-21


    Will this work with live view on Sony A7R2?
    Asked by: Anonymous
    this will work for all Sony E mount cameras, so yes the a7R II will work.
    Answered by: Robert G.
    Date published: 2018-11-07
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    Sigma 20mm f/1.4 DG HSM Art Q&A

    Sigma 20mm f/1.4 DG HSM Art Accessories

    Designed For Use With:

    • Sony NEX-EA50M
    • Sony PXW-FS5
    • Sony PXW-FS7
    • Sony PXW-FS7M2
    • Sony Alpha A5000
    • Sony Alpha A5100
    • Sony Alpha A6000
    • Sony Alpha A6300
    • Sony Alpha A6400
    • Sony Alpha A6500
    • Sony Alpha A7
    • Sony Alpha A7 II
    • Sony Alpha A7 III
    • Sony Alpha A7R
    • Sony Alpha A7R II
    • Sony Alpha A7R III
    • Sony Alpha A7S
    • Sony Alpha A7S II
    • Sony Alpha A9
    • Sony Alpha a7
    • Sony Alpha A6500
    • Sony Alpha A7S II
    • Sony A7R III
    • Sony NEX-EA50M
    • Sony NEX-EA50UH
    • Sony NEX-FS700R
    • Sony NEX-VG30
    • Sony NEX-VG900
    • Sony PXW-FS5
    • Sony PXW-FS5M2
    • Sony PXW-FS7
    • Sony PXW-FS7M2
    See any errors on this page? Let us know.