Sigma 17mm F4 DG DN - Ultra Wide-Angle Camera Lens | E-Mount
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"Ultra-wide lens" that meets SIGMA Contemporary's optical standards
This lens uses two SLD glass elements and three aspherical lens elements, which corrects for lens aberrations and keeps the lens compact. The lens also features a smaller than usual φ55mm filter thread, making it easier to change filters between SIGMA I Series lenses.
A quiet, high-speed stepping motor drives the AF delivering fast and accurate results in both stills and video.
Beyond "beautiful pictures"―the value provided by the SIGMA’s I Series
SIGMA I series lenses provide excellent optical performance in a compact form-factor that complements modern mirrorless cameras. The lenses are designed to offer photographers more than just a tool for image capture. They provide superb optical quality, ease of use, and a pleasurable ownership experience. The I series is the result of careful consideration of product quality and user experience.
Exceptional I Series build quality with a compact form-factor
All I series lenses are made of precision-cut aluminum parts that provide durability and a sleek finish. Metal materials are used in internal structures to add robustness, and these components are also used in SIGMA's CINE LENS line-up for professional cinematographers, giving the lens a tactile, ergonomic feel. The build quality of the I series is condensed into a palm-sized lens body, making it incredibly compact and lightweight. Combine multiple I Series lenses to create a compact shooting system.