Sigma 17mm f/4 DG Contemporary Lens | L-Mount, Black

The Sigma 17mm f/4 DG Contemporary Lens combines an expansive field of view with a compact design, making it an ideal choice for landscape photographers, street artists, and those capturing interior and architectural images. Its lightweight and portable nature ensures it is suitable for daily use.

This wide-angle prime lens features a maximum aperture of f/4, which contributes to its reduced size and weight while still delivering impressive optical performance. It produces images with exceptional sharpness, accuracy, and minimal distortion. This ultra-wide lens is an excellent addition to lightweight landscape photography setups, everyday architectural and interior photography, and even serves as a creative tool for distinctive portraits and vlogging.

The Contemporary Line lens boasts a modern design with dimensions of approximately 2.5 x 2 inches and a weight of slightly less than 8 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 images and video recording.

The optical design features two SLD elements and three aspherical elements, aimed at enhancing sharpness and minimizing distortion. Additionally, it incorporates a Super Multi-Layer Coating that effectively manages flare and reflections. With a minimum focusing distance of only 4.7 inches, it is well-suited for capturing close-up subjects. The rounded seven-blade diaphragm produces a smooth and aesthetically pleasing bokeh effect. Furthermore, the construction is resistant to dust and splashes, complemented by a brass bayonet mount that ensures precision and longevity.

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.