Sigma 20mm f/2 DG Contemporary Lens | L-Mount, Black

The Sigma 20mm f/2 DG Contemporary Lens features an exceptional field of view paired with a notably bright design, providing an ultra-wide focal length in a compact and lightweight package.

This lens is particularly well-suited for capturing landscapes, astrophotography, urban scenes, and architectural photography. Its expansive field of view creates a remarkable sense of space, while the bright f/2 aperture is advantageous for low-light conditions and for managing depth of field in close-up shots.

The Contemporary Line lens boasts a modern design with dimensions of approximately 2.8 x 2.9 inches and a weight exceeding 13 ounces, ensuring it is convenient for daily photography without sacrificing optical quality or performance. Its internal focusing mechanism, combined with a stepping autofocus motor, delivers quick and efficient focusing capabilities, making it ideal for both still photography and video recording.

Optical design features two low-dispersion glass elements and three aspherical elements, enhancing sharpness while minimizing distortion. Additionally, it incorporates a Super Multi-Layer Coating that effectively manages flare and reflections. The minimum focusing distance of only 8.7 inches is ideal for capturing close-up subjects. A rounded 9-blade diaphragm enhances the bokeh quality, providing a smooth and aesthetically pleasing background. The construction is resistant to dust and splashes, and it includes a brass bayonet mount, ensuring both precision and durability.

Sigma I Series Lens

The Sigma I series comprises a selection of lenses designed for full-frame compatibility, focusing on the perfect balance of performance and compactness for mirrorless camera users. These lenses offer exceptional optical quality alongside an elegant and streamlined design, making them an excellent fit for modern mirrorless cameras. They cater to photographers who value usability, portability, and functionality in their equipment.

• I series lenses have an all-metal construction, including precision-cut aluminum parts on the barrel that offers an elegant finish that's equally durable. Metal materials are also used throughout the internal construction for added robustness and reliability that is inspired by Sigma's Cine lens lineup.
  
  
• Knurled aperture and focus rings, along with an included knurled metal lens hood, further contribute to a pleasing tactile experience.
  
  
• In addition to knurled details, the lens features an intuitive AF/MF switch and the aperture ring includes an 'A' position for quick switching to an aperture-priority exposure mode.
  
  
• I series lenses include both a conventional plastic lens cap along with a magnetic metal lens cap for more streamlined and minimal attachment method.
  
  
• Magnetic lens cap is compatible with optional CH-11 Magnetic Cap Holder.