Sigma 20mm f1.4 DG DN Art Lens For Sony E
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Sigma 20mm f1.4 DG DN Art Lens For Sony E
The Sigma 20mm f1.4 DG DN Art Lens For Sony E is a full-frame, wide-angle prime lens designed specifically for use with mirrorless cameras. The lens is perfect for landscapes, architecture and pro-level astrophotography, thanks to its fast f1.4 aperture and 94.5° angle of view as well as a minimum focusing distance of just 23cm that allows you to get close-up to subjects.
A new Sigma AF 24mm F1.4 DG DN | Art lens has just been released. Both the 24mm and 20mm versions are available in Sony E-Mount and L-Mount.
Perfect for Astro, Architecture and Landscape Photography
This lens is perfect for astrophotography as well as landscapes and architecture thanks to its 20mm focal length, which delivers an impressive 94.5° angle of view, and a bright maximum aperture of f1.4 allowing you to use it in low-light conditions.
The lens also features a front filter thread and a rear filter holder, so that you can attach additional accessories like light pollution filters as well as a lock switch for the aperture ring as well as a new Manual Focus Lock (MFL) switch that completely deactivates the focus ring. This ensures that the focus position will not be altered if the lens is knocked accidentally which is hugely beneficial to night-sky photographers.
Another fantastic feature for astrophotographers is the Lens Heater Retainer. This is a pronounced lip around the front element that allows you to keep a heat strip (sold separately) in place to stop condensation from forming on the elements.
Design and Build*
The Sigma AF 20mm f1.4 measures 111.2mm in length and weighs just 635g, making it significantly lighter than Sigma’s previous version of the lens. The lens is constructed from 17 elements in 14 groups including 2 SLD and 3 Aspherical elements which help to suppress a range of optical aberrations such as sagittal coma flare and allows the lens to accurately reproduce bright points of light even in the extreme periphery of the frame. The lens also features a Super Multi Coating and Nano Porous Coating (NPC) to minimise ghosting and flare.
Also Great for Videography
The Sigma AF 20mm f1.4 has a built-in manual aperture ring, which is de-clickable for a smooth transition between aperture settings. This is particularly useful for seamless exposure adjustments when shooting video.
Speaking of shooting video, the lens features a near-silent autofocus system, driven by a stepping motor so that you can capture weddings and other events that require the utmost discretion.
There is also an AFL button that has been built into the lens that can be customised to a range of different functions.
Great for Close-up
The lens offers a minimum focus distance of just 23cm, allowing you to get closer to your subjects and capture them with exaggerated features. This is perfect for close-up headshots as well as full body images while isolating the subject from the background with the wide F1.4 aperture.
Weather-sealed design
The AF 20mm features a dust and splash-resistant structure* allowing it to perform in light rain. The lens also has a water- and oil-repellent coating on the front element, as well as a rubber seal around the mount.
Sigma 20mm f1.4 DG DN Art Lens For Sony E Key Features
- Full-frame, Wide-angle Prime lens
- For Astro, landscape and architecture photography
- Compact and lightweight
- 94.5° angle of view
- Fast f1.4 aperture
- Internal focus system
- Minimum focus distance of 23cm
- Weather-sealed
- Available in Sony E-Mount and L-Mount
- Sigma 20mm f/1.4 DG DN Art Lens for Sony E
- Sigma Lens Hood for 20mm f/1.4 Art DG DN Lens
- Sigma LCF-82 III 82mm Lens Cap
- Sigma LCR II Rear Lens Cap for Sony E
- GP-21 Guide Plate
Focal Length | 20mm |
Maximum Aperture | f/1.4 |
Minimum Aperture | f/16 |
Lens Mount | Sony E |
Lens Format Coverage | Full-Frame |
Angle of View | 94.5° |
Minimum Focus Distance | 9.1″ / 23 cm |
Maximum Magnification | 0.16x |
Macro Reproduction Ratio | 1:6.1 |
Optical Design | 17 Elements in 15 Groups |
Diaphragm Blades | 11, Rounded |
Focus Type | Autofocus |
Image Stabilization | No |
Filter Size | 82 mm (Front) Gel Filter (Rear) |
Dimensions (ø x L) | 3.5 x 4.4″ / 87.8 x 113.2 mm |
Weight | 22.2 oz / 630 g |