Key Take-Aways:

The Sigma 24mm f/2 DG DN Contemporary is a compact all-metal I-series prime lens weighing 365g, featuring 13 elements in 11 groups with special glass elements, weather-sealed mount, manual aperture ring, and dual lens cap system including a magnetic metal cap. Professional reviews consistently praise its excellent center-to-edge sharpness even at f/2, beautiful metal construction, fast and quiet autofocus, good flare resistance, and attractive bokeh for a wide-angle lens, while noting strong barrel distortion requiring correction, moderate vignetting at f/2, and the lack of aperture ring de-clicking for video. As of September 14, 2025, user sentiment is very positive, with photographers appreciating it as one of the best wide-angle primes for L-mount, highlighting its balanced combination of optical quality, build quality, and reasonable size at a competitive price point.

From Sigma:

The all-new 24mm F2 DG DN Contemporary delivers exceptional edge-to-edge rendering power in an ultra-compact, all-metal body. This impressive, wide-angle, I series prime is now available for L-Mount and Sony E-mount systems. The 24mm F2 DG DN | Contemporary premium compact prime is the latest prime lens to be added to Sigma’s growing I series range. It joins four existing I series lenses as well as the new 90mm F2.8 DG DN | Contemporary, offering superb optical performance, a bright F2 aperture, an all-metal build and a manual aperture ring. Designed from the ground up for mirrorless systems it feels perfectly-balanced on modern full-frame bodies, and boasts exceptional resolving power that can keep up with the latest ultra-high-resolution cameras. The lens’s advanced optical design produces sharp, high-contrast results from the center of the frame to the far corners, and together with its F2 aperture and wide angle-of-view it’s an excellent choice for night sky photography, events and interiors. Owing to its compact size the lens can be carried around effortlessly, which makes it perfect for day-to-day use. The high quality, all-metal construction, which is found on all of Sigma’s I series models, makes the experience of owning and operating this lens extremely satisfying. This new full-frame 24mm F2 prime is designed for photographers who need a sharp, fast, robust, wide-angle optic that will not weigh them down. It is available for L-Mount and Sony E-mount systems.

Official Website

Reviews:

• Dustin Abbot: Sigma 24mm F2 DG DN (iSeries) Review, Sep 2021
• Cameralabs: Sigma 24mm f2 DG DN review, Gordon Laing, Sep 2021
• Photography Blog: Sigma 24mm F2 DG DN Review, Mark Goldstein, Oct 2021
• LensTip.com: Sigma C 24 mm f/2 DG DN, Maciej Latałło, Dec 2021
• The Phobolographer: PROMISING DISTORTION CORRECTION: Sigma 24MM F2 DG DN REVIEW, Hillary Grigonis, Jan 2022
• DPReview Sample Gallery