Sigma 20mm f/1.4 DG HSM Art Lens for Leica L

Sigma 20mm f/1.4 DG HSM Art Lens for Leica L

Sigma 20mm f/1.4 DG HSM Art Lens for Leica L

B&H # SI2014L MFR # 412969
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Product Highlights

  • L-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: Leica L

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

  • 1Description

Truly wide and truly fast, the Leica L-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 Leica L-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: 085126412692
In the Box
Sigma 20mm f/1.4 DG HSM Art Lens for Leica L
  • LC907-01 Plastic 20mm f/1.4 Lens Cap
  • Rear Cap LCR II for Leica L-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 Leica L
    Format Compatibility Full-Frame
    Angle of View 94.5
    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

    Sigma 20mm f/1.4 DG HSM Art Reviews

    Is this a native L-Mount lens or does it have a ...

    Is this a native L-Mount lens or does it have a built-in adapter?
    Asked by: NICHOLAS
    The Sigma 20mm f/1.4 DG HSM Art Lens for Leica L, B&H # SI2014L, is designed for direct usage on the Leica L-mount lens mount. As such, no adapter is needed to connect the lens onto a camera which uses the Leica L-mount lens mount.
    Answered by: Manzell
    Date published: 2019-05-02

    Can this lens be fitted with circular filters or ...

    Can this lens be fitted with circular filters or does the front element protrude too far?
    Asked by: John
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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:

    • Leica CL
    • Leica SL (Typ 601)
    • Leica TL
    • Leica TL2
    • Panasonic Lumix DC-S1
    • Panasonic Lumix DC-S1R
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