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Sigma 20mm F/2 DG DN Contemporary Lens for Sony E-Mount (490965)
Product Overview
The Sigma 20mm F/2 DG DN Contemporary Lens (Black, SKU: 490965) is a premium ultra-wide-angle prime lens from Sigma’s I-Series, designed specifically for Sony E-Mount full-frame mirrorless cameras.
With a 20mm focal length and a bright f/2 aperture, this lens delivers exceptional image quality, edge-to-edge sharpness, and low-light performance in a compact and lightweight form factor. Perfect for landscape, architecture, astrophotography, street, and travel photography, it combines professional-grade optics with portability, making it ideal for both photographers and videographers.
Key Features & Benefits
🔹 Compact & Premium Design
All-metal construction ensures durability and professional aesthetics.
Lightweight at 505 g, perfect for travel, street, and handheld shooting.
Equipped with a manual aperture ring and magnetic lens cap for convenience and precision.
🔹 Superior Optical Performance
Advanced optical formula: 13 elements in 11 groups, including aspherical and SLD elements for minimal distortion and maximum sharpness.
Bright f/2 maximum aperture provides excellent low-light performance and creative depth-of-field control.
Super Multi-Layer Coating reduces flare, ghosting, and chromatic aberration for high-contrast, vibrant images.
🔹 Ultra-Wide Perspective
20mm focal length offers expansive landscapes, cityscapes, interiors, and night sky photography.
Minimal distortion and high edge-to-edge sharpness for professional results.
Ideal for creative wide-angle compositions, environmental portraits, and cinematic video.
🔹 Fast, Silent, and Accurate Autofocus
Stepping Motor (STM) provides quiet and precise autofocus.
Internal focusing maintains lens length during shooting.
Optimized for Sony E-Mount full-frame mirrorless cameras, suitable for both stills and video.
🔹 Durable & Weather-Sealed
Compact and portable design for travel, street, and landscape photography.
Weather-sealed lens mount ensures reliable performance in outdoor conditions.
Perfect for adventurous outdoor photography.
Technical Specifications
| Specification | Details |
|---|---|
| Mount | Sony E-Mount |
| Focal Length | 20mm |
| Maximum Aperture | f/2 |
| Minimum Aperture | f/22 |
| Optical Design | 13 elements in 11 groups |
| Special Elements | Aspherical, SLD |
| Diaphragm | 9 Rounded Blades |
| Minimum Focus Distance | 24 cm |
| Maximum Magnification | 0.19× |
| Filter Size | 82 mm |
| Dimensions | Ø87 mm × 124 mm |
| Weight | 505 g |
| Coating | Super Multi-Layer |
| Extras | Magnetic Cap, All-Metal Build, Weather-Sealed Mount |
Why Choose Sigma 20mm F/2 DG DN Contemporary for Sony E-Mount?
Ultra-wide 20mm focal length ideal for landscapes, architecture, interiors, and astrophotography.
Compact and lightweight design for travel, street, and handheld use.
Premium all-metal construction ensures durability and professional aesthetics.
Optimized for Sony full-frame E-Mount mirrorless cameras.
Perfect For
✔️ Landscape & Nature Photography
✔️ Architecture & Interior Photography
✔️ Street & Travel Photography
✔️ Astrophotography & Night Sky Photography
✔️ Environmental & Creative Portraits
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SEO-Optimized Meta Title & Description
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Sigma 20mm F/2 DG DN Contemporary Lens for Sony E-Mount (490965)
Meta Description (158 chars):
Shop the Sigma 20mm F/2 DG DN Contemporary Lens (490965) for Sony E-Mount. Ultra-wide, lightweight, and sharp — ideal for landscapes, architecture, street, and astrophotography.