Sigma AF 20mm F/2 DG DN Contemporary Lens For Sony E-Mount
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The SIGMA AF 20mm f/2 DG DN ContemporaryΒ Lens combines a bright maximum aperture of F2, an ultra-wide 20mm focal length and stunning optical performance. The lens boasts an exceptionally small form factor, weighing in at just 370g and measuring just 72.4mm in length*, which makes it a highly practical optic that is portable enough for everyday shooting. Itβs ideal for landscapes, wide-angle portraits, weddings and interiors, and is particularly well-suited to astrophotography owing to its very well-controlled sagittal coma flare.
A sleek, all metal design, with a signature I series magnetic lens cap, a manual aperture ring and exceptional production quality means using this lens is a highly intuitive and satisfying experience, making the photo-taking process even more enjoyable. This sharp and beautifully built I series prime, the SIGMA 20mm F2 DG DN | Contemporary captures the essence of the I series, bringing a new level of user experienceβthe pleasure of owning and using a lens.
Key Features of the Sigma AF 20mm f/2 DG DN Contemporary Lens For Sony E-Mount
- 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″ / 23 cm
- Rounded 9-Blade Diaphragm
- All-Metal Body and Internal Parts
- Durable, Weather-Sealed Construction
New Standards of Optical Performance for the Contemporary Line
The 20mm F2 DG DN | Contemporary lens for Sony E-Mount achieves the highest level of optical performance even at the widest aperture setting of F2 from the center 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 post-processing, accurate reproduction of very bright points of light has been achieved. This also provides extremely detailed results across the entire image, which is especially important for night sky photography.
Exceptional I Series Build Quality with a Compact Form-Factor
All I series lenses have an all-metal construction. The precision-cut aluminum 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 SIGMAβs cutting-edge metalworking technology are also used in SIGMAβs CINE LENS line-up for professional cinematographers and provide a tactile, ergonomic feel that make the lens a pleasure to use.
- MPN – 4490965
- GTIN – 085126490652
| Lens construction | 11 elements in 13 groups |
|---|---|
| Angle of view (35mm) | 94.5Β° |
| Number of diaphragm blades | 9 (Rounded diaphragm) |
| Minimum aperture | F22 |
| Minimum focusing distance | 22cm / 8.7in. |
| Maximum magnification ratio | 1:6.7 |
| Filter size | Ο62mm |
| Dimensions(diameter x length) | Ο70mm Γ 74.4mm / Ο 2.8in. x 2.9in. |
| Edition number* | C022 |
| Weight | 370g / 13.1oz. |
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