Model no

SIGMA 17mm F4 DG DN | Contemporary


• Lens construction: 9 elements in 8 groups with 2 SLD and 3 aspherical lens elements
• Inner focus system
• Compatible with high-speed autofocus
• Stepping motor
• Support DMF and AF+MF
• Aperture Ring
• Focus mode switch
• Mount with dust and splash resistant structure
• Designed to minimize flare and ghosting

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Compact, lightweight and high-performance ultra-wide-angle 17mm lens with an impressive minimum focusing distance. 

“Compact, lightweight and high-performance ultra-wide-angle lens”.  Using the latest technology, the 17mm had been created without compromise, despite its challenging design concept. Its wide-angle of view creates impactful landscape images with a unique perspective and, thanks to its minimum close focusing distance of 12cm, the lens can be enjoyed in a variety of alternative ways, including close-up photography and hand-held selfies. 

The optical design has been created exclusively for mirrorless camera systems, which helps reduce lens flare and ghosting that results in excellent image rendering. The all-metal lens barrel highlights SIGMA’s craftsmanship and attention to detail, making the SIGMA 17mm F4 DG DN | Contemporary a pleasure to use on every shoot.

“Ultra-wide-angle lens" that matches the optical performance standards set by the SIGMA Contemporary line of lenses.

The lens construction consists of two SLD glass elements and three aspherical lens elements. Aspherical lenses are used for both the front and rear optics. This not only keeps the size of the lens compact but also helps with correcting lens aberrations. As a result, the lens features a φ55mm filter thread (which is smaller than comparable lenses of similar focal lengths) which makes it easy to change filters between SIGMA I series lenses that share the same filter size. * Its construction also helps minimize flare and ghosting that is commonly found in ultra-wide-angle lenses, creating clear images in any environment. This is a lens with truly modern performance, thanks to the advanced processing and production technologies at SIGMA's only production facility in Aizu.

*In addition to the 17mm F4 DG DN | Contemporary, I series lenses with a φ55mm filter thread include the 24mm F3.5 DG DN | Contemporary, 45mm F2.8 DG DN | Contemporary, and 90mm F2.8 DG DN | Contemporary (as of April 2023).

A highlight of using the 17mm is the impressive minimum focusing distance of 12cm. Capture close-up macro style images in remarkable detail with expansive backgrounds. It is also suitable for selfies and vlogging, where items need to be shown at an arms-reach. A quiet, high-speed stepping motor drives the AF delivering fast and accurate results in both stills and video.

More Information
Product LinesContemporary
Construction9 elements in 8 groups with 2 SLD and 3 aspherical lens elements
Lens TypeWide Angle
Sensor SizeFull Frame
Angle of view103.7°
Number of diaphragm blades7 (rounded diaphragm)
Minimum apertureF22
Minimum focusing distance12cm
Maximum magnification ratio1:3.6
Filter diameterφ55mm
Edition number023
* All figures calculated by L-Mount. Note: The L-Mount Trademark is a registered Trademark of Leica Camera AG. About Product Name: Product name includes "DG" when the lens is designed to deliver the ultimate in performance on cameras with full-frame sensors, and "DN" when the lens design is optimized for mirrorless cameras with the short flange focal length.
© SIGMA Imaging Ireland