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Sigma 20mm f/2 DG DN Contemporary Lens for L-Mount
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Product Code: G242339A
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The Sigma 20mm f/2 DG DN Contemporary for Leica L-Mount full frame mirrorless combines intuitive ergonomics, high all-metal build quality and superb optical results in a compact ultra wide angle prime lens.
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We Love
- Ultra compact, ultra wide angle prime lens which is lightweight and portable for a variety of subjects
- Excellent results achieved through an advanced optical design with complex lens elements and coatings
- Durable all-metal construction with internal metal parts for a sleek design and enjoyable user experience
- Supports linear and non-linear focus ring settings for controllable focus feedback when desirable
- Superb handling and fast workflow with an aperture ring, AF+MF and Focus Mode Switch
Key Features
- Inner focus system
- Stepping Motor compatible with high-speed autofocus
- Support DMF and AF+MF
- Nano Porous Coating and Super Multi-Layer Coating
- Aperture ring and Focus Mode Switch
- Mount with dust and splash resistant structure
- Support for switching between linear and non-linear focus ring settings
- Compatible with Sigma USB Dock UD-11 for Leica L Mount
- Designed to minimise flare and ghosting
- 9-blade rounded diaphragm
- Lens construction: 13 elements in 11 groups, with 1 FLD, 1 SLD and 3 aspherical elements
- High-precision, durable brass bayonet mount
- ‘Made in Japan’ craftsmanship
Sigma 20mm f/2 DG DN Contemporary Lens for L-Mount Summary
Arriving as the widest focal width prime in the f/2 line-up, is this Sigma 20mm f/2 DG DN Contemporary Lens for L-Mount. Designed for full frame mirrorless cameras allows it to be used with all three Alliance brands – including Lumix cameras, Leica mirrorless as well as their own unique Sigma L Mount bodies.
With an ultra wide angle 94.5° field of view this prime is perfectly suited to landscapes, architecture and interiors, street photography as well as environmental portraits. The 20mm f/2 DG DN has especially well controlled sagittal coma flare, making it an excellent choice for night photography, such as stars, Milky Way and aurora shots.
Sigma has utilised their new Contemporary design which features an all-metal exterior, internal metal parts and sleek functionality. The 20mm is extremely lightweight at 370 g, perfect to bring in your camera bag for any situation without a weight penalty. Results are pleasingly high quality from the centre of the frame to the edges, thanks to a complex optical design with special elements and proprietary coatings. These reduce aberrations, control flare and ghosting and capture highly detailed, sharp images. One advantage the L-mount model offers, is the ability to choose linear or non-linear focus, for user controllable focus settings when required.
Sigma 20mm f/2 DG DN Contemporary Lens for L-Mount in More Detail
At its time of launch, the 20mm f/2 DG DN for Leica L is the widest model in Sigma’s Contemporary line-up of f/2 Leica L Mount mirrorless lenses. It joins the previous 24mm, 35mm and 65mm to deliver a series of advanced prime options, now from ultra wide through to short telephoto.
Superb Contemporary Lens Optical Performance
The design incorporates 13 lens elements arranged in 11 groups, with special glass in the form of 1 FLD, 1 SLD and 3 aspherical elements. These enable the 20mm F2 DG DN | Contemporary to achieve the highest level of optical performance, even when wide open, from the centre of the image to the edges, keeping pace with even the highest resolution cameras like the 61MP Sigma fp L.
The lens is based on the latest optical design technology found in Sigma lenses. The design harnesses elements to suppress a range of optical aberrations, resulting in clear and sharp images even in the extreme corners. By focusing on the suppression of sagittal coma flare users can train this lens on astrophotography to capture amazing shots of the moon, stars, Milky Way and other night sky subjects.
Sigma has included their Super Multi-Layer Coating (SMC) and Nano Porous Coatings (NPC) to ensure minimal flare and ghosting even when shooting into bright light sources. This makes it much easier to photograph backlit subjects suited to this ultra wide angle lens and still achieve punchy, high contrast results.
Exceptional Build Quality In A Compact Form
An all-metal construction with precision-cut aluminium parts give the barrel a sleek, stylish finish, and provide high durability which improves the quality of the entire design. Metal materials are also used in internal structures that slide with the operation ring for added robustness. Users can expect a tactile, ergonomic feel that make the lens a pleasure to use.
The cover ring between the focus ring and the aperture ring has hairline processing that is also used for the rear cylinder of the prestigious Art line, functioning as a finger-hold when attaching or detaching the lens to the durable brass bayonet mount.
Optional Accessories
- Sigma WR UV Filter 62mm – ultraviolet light filtration and lens protection in one, with weather resistance
- Sigma WR Circular PL Filter 62mm – a high quality circular polariser with weather resistant coatings to reduce reflections and glare when shooting outdoor subjects including landscapes
- Peak Design Shell Ultralight Rain And Dust Camera Cover Small – keep harsh elements at bay when shooting outdoors
- Lenspen Hurricane Blower – every photographer needs a blower to remove dust and debris from their front lens element
- ZEISS Lens Cleaning Kit – an all-in-one lens cleaning kit with everything you need to maintain a perfect working optic
Sigma 20mm f/2 DG DN Contemporary Lens for L-Mount Specifications
- Lens construction: 11 groups, 13 elements (1 FLD, 1 SLD and 3 aspherical elements) Angle of view: 94.5°
- Number of diaphragm blades: 9 (rounded diaphragm)
- Minimum aperture: F22
- Minimum focusing distance: 22cm
- Maximum magnification ratio: 1:6.7
- Filter size: f62mm
- Dimensions (max diameter x length): f70mm x 72.4mm
- Weight: 370g
What's in the Box
- Sigma 20mm f/2 DG DN Contemporary Lens for Leica L-Mount
- Magnetic metal lens cap (LCF62-01M)
- Petal-type lens hood (LH656-03)
- Front Cap (LCF-62III)
- Rear Cap (LCRII)
Our Verdict
Sigma is fully committed to the L-Mount Alliance, with the addition of this 20mm f/2 DG DN Contemporary lens arriving as their widest model to date with the new Contemporary design. This has been developed to provide full frame mirrorless users with excellent ergonomics and handling, high build quality and an extremely compact, lightweight form. Image results are also central to the new range, with sharp, detailed and well controlled results apparent throughout the frame. The 20mm achieves all of this admirably, somewhat blurring the line between this and high-end Art series options.
At 20mm users can expect to capture dynamic ultra wide angle scenes from landscapes and architecture to astrophotography, however it is also well suited to wide environmental portraits and even street photography when you can get close enough to your subject. Special lens coatings have been included to help reduce flare and ghosting as warranted by such subjects, controlling stray light and even harshly backlit scenes admirably.
The high build quality is particularly welcome at the level, with an all-metal construction which includes lightweight aluminium parts throughout. Users can also control several settings directly from the lens barrel, which include an aperture ring, AF/MF and even the type of focus response on this L-Mount version. All of these features combine to deliver an extremely enjoyable and highly proficient ultra wide prime, which will no doubt be the envy of anyone who adds it to their lens repertoire.
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Condition guide
Our used products are subject to wear and tear in comparison to brand new products. This also applies to accessories that are supplied with the camera including batteries which may have a lower optimum performance level/life expectancy.
- Like New – The equipment is in a condition as if you have just bought it from the manufacturer. The item is still considered to be ‘Like New’ even without the original packaging and accessories. The product has been fully tested and is in perfect working order. Lenses are optically clear. There may be light dust present that will not effect the imagery.
- Excellent – The equipment should be close to being ‘Like New’ but there may be some small cosmetic blemishes that lower its grade. The product has been fully tested and is in perfect excellent order.
- Cameras – Should have no marks on the LCD screen
- Lenses – Should have no marks on the elements and optically clear. There may be light dust present that will not effect the imagery.
- Very Good – The equipment may have some slight cosmetic wear to the paintwork and cosmetic blemishes with only light signs of use and the product has been fully tested and is in great working order.
- Cameras – The LCD screen may have small signs of wear that does not affect its display
- Lenses – The mount of the lens will start to show signs of wear
- Good – The equipment is showing more obvious signs of cosmetic wear and blemishes, but the product has been fully tested and is in great working order.
- Cameras – LCD screen may have scratches or wear that is starting to affect the display.
- Lenses – May have slight dust inside that does not affect images. The mount shows signs of use.
- Well Used – The equipment will show significant signs of wear. The paintwork will be coming away in large areas exposing the metal work, but the product has been fully tested and is in great working order.
- Cameras – LCD screen is heavily worn either by de-lamination or has scratches to it. Rubber grips are starting to come away from the body.
- Lenses – The lens has dust inside that may affect images. The rubber zoom/focus ring is coming away from the barrel of the lens.
*All of our used items are listed with the accessories that are included. If they are not listed, then they will not be supplied at the point of purchase.
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