Sigma 20mm f/2 DG DN Contemporary Lens for Sony E
Sigma 20mm f/2 DG DN Contemporary Lens for Sony E
- E-Mount Lens/Full-Frame Format
- Aperture Range: f/2 to f/22
- One SLD and One FLD Element
- Three Aspherical Elements
- Minimum Focus Distance: 8.7"
- Rounded 9-Blade Diaphragm
- All-Metal Body and Internal Parts
- Durable, Weather-Sealed Construction
- Support for switching between linear and non-linear focus ring settings (for L-Mount only)
- Compatible with SIGMA USB DOCK UD-11 (sold separately / for L-Mount only)
- 62mm Filter Diameter
A compact, high-quality, wide-angle prime, the Sigma 20mm f/2 DG DN Contemporary Lens for Sony E provides excellent edge-to-edge sharpness in a stylish all-metal design. An ideal lens for landscapes, cityscapes, handheld vlogging, and video streaming, the lens provides a modestly bright f/2 maximum aperture for low-light performance and shallow depth of field control. Additionally, its fast maximum aperture makes it a natural choice for night sky and astrophotography. The lens is constructed with one SLD glass element and one FLD glass element to correct chromatic aberration. It incorporates three high-precision aspherical elements, which reduces the total size and weight of the lens. Regarding handling and focus, this lens features a stepping motor for quick, accurate, and quiet AF performance that suits both photo and video applications.
I series | ‘Premium Compact Primes’ for mirrorless users
The SIGMA I series features full-frame compatible lenses that offer new value to mirrorless systems. The combination of superb optical performance with a level of compactness that is perfectly suited to modern mirrorless cameras offer up new opportunities for a perfect shot. SIGMA is aware that in today’s world we have a wide range of camera choices, especially with the increase in mobile phone ownership. But with many photographers looking for something more than something that simply captures images when they choose to own a camera and lens, I series lenses offer the ultimate combination of superb optical performance, outstanding usability and compact form-factor. SIGMA’s excellence in development and production technologies has been built up since our founding in 1961 and became increasingly sophisticated with the introduction of the SIGMA Global Vision brand in 2012. With this as a base, SIGMA has given careful thought to the quality of a product, the feeling of using it and the pleasure of owning it. This is how the I series was born.
New standards of optical performance for the contemporary line
The 20mm F2 DG DN | Contemporary achieves the highest level of optical performance even wide open, from the centre of the image to the periphery. Based on the latest optical design technology, the lens construction includes three high-precision glass-molded aspherical lens elements, one SLD element, and one FLD element to suppress a range of optical aberrations. The result is clear and sharp images even in the extreme corners of the frame. By focusing on the suppression of sagittal coma flare, which is difficult to correct in postprocessing, accurate reproduction of very bright points of light has been achieved. This provides extremely detailed results across the entire image, which is especially important for night sky photography. The lens’ advanced optical design, as well as its Super Multi-Layer Coating and Nano Porous Coating (NPC),ensures very minimal flare and ghosting even when shooting into bright light sources. This makes it much easier to photograph backlit subjects and still achieve punchy, high contrast results.
Exceptional I series build quality with a compact form-factor
All I series lenses have an all-metal construction. The precision cut aluminium parts not only give the barrel a sleek, stylish finish, but provide superb durability that improves the quality of the entire product. Metal materials are also used in internal structures that slide with the operation ring for added robustness. These high-precision components crafted with SIGMA’s cutting-edge metal working technology are also used in SIGMA’s CINE LENS line-up for professional cinematographers and provide 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 Art line. This covering functions as a finger hold when attaching or detaching the lens.
INCLUDED IN BOX
- Sigma 20mm F2 - Sony E
- Magnetic Metal Lens Cap LCF62-01M
- Front Cap LCF-62 III
- Petal-Type Lens Hood LH656-03
- Rear Cap LCR II
|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 focusing distance||22cm|
|Maximum magnification ratio||1:6.7|
|Dimensions (max diameter x length)||φ70mm x 72.4mm|
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