This wide-angle prime lens designed for use with full-frame DSLR cameras combines superb image quality, excellent build quality and a fast F1.4 aperture. Used wide-open, the lens can produce a very shallow depth-of-field, and also fast shutter speeds in low light conditions.
The lens construction includes two FLD (F Low Dispersion) elements and four SLD (Special Low Dispersion) elements, which help to minimise chromatic aberration and distortion. The lens also features a Super Multi-Layer Coating to keep lens flare and ghosting to a minimum, and a rounded 9-blade diaphragm to produce beautiful, smooth bokeh. It has a Hyper Sonic Motor (HSM) for fast and accurate autofocus, as well as a manual focus override for greater control.
The lens is ideal for landscapes, street, travel, weddings and events, and thanks to its F1.4 aperture is perfect for environmental portraits.
The exceptional build quality of the 24mm F1.4 DG HSM is exactly as you’d expect from an Art-line lens, both in the materials used, the overall ergonomics and the quality of craftsmanship.
The exterior barrel is made of a polycarbonate called Thermally Stable Composite (TSC). Not only is it very strong and light, but it has a similar thermal expansion rate to aluminium. This ensures that the interior aluminium parts and the exterior TSC parts behave in a consistent way as temperatures change.
The focus ring is rubberised for easier operation and focusing is internal, meaning the lens never changes length. This makes it ideal for use on a gimbal as the centre of gravity remains relatively constant.
To reduce flare and ghosting in bright sun, and to help protect the front element from damage if dropped, the lens has a robust petal-type lens hood.
The durable brass mount is surrounded by a rubber seal to help keep out dust and moisture.
Precision brass mount with seal
Protects against dust and moisture.
Made from a strong and light polycarbonate that behaves in a similar way to aluminium.
The 24mm F1.4 DG HSM | Art produces images with outstanding optical quality, with excellent rendering of detail across the whole frame at all apertures.
The lens has an advanced optical design made up of 15 elements in 11 groups, including 2 aspherical elements, 4 SLD elements and 3 FLD elements. This ensures razor-sharp results and helps to eliminate chromatic aberration, flare, distortion and vignetting.
Advanced Super Multi-Layer optical coatings reduce flare and ghosting when working in bright direct sunlight, creating high-contrast images with excellent colour saturation and strong blacks.
Owing to its F1.4 aperture and wide angle-of-view, the 24mm is a superb lens for interiors or other cramped or dark environments. It is a very popular option with wedding photographers, who need to be able to shoot hand-hand in low-light conditions.
Anyone looking for a wide-angle F1.4 prime for DSLRs has a choice of two optics in the Sigma range: the 20mm and the 24mm. They have very similar optical performance and build quality, but owing to the extra angle-of-view offered by the 20mm it is significantly heavier. It’s also longer because its hood is fixed, meaning front filters can only be added with the aid of a special holder. The 24mm on the other hand has a front filter thread.
All Sigma cameras and lenses are designed, manufactured and assembled at our sole factory at Aizu in Japan. This domestic production model is unusual in today’s industry, with most imaging companies opting to outsource to other countries to reduce costs. But SIGMA believes that keeping virtually all manufacturing, processing and assembly in Aizu is essential for creating innovative, carefully thought-out and impeccably constructed products that meet the high standards demanded by professional photographers and film-makers around the world.
Sigma chose Aizu as its main production base in the early 1970s. Situated at the base of Mount Bandai in the Fukushima Prefecture, about four hours’ drive north of Tokyo, Aizu has an abundance of very clean water from mountain streams, which is essential for grinding and polishing lenses. Sigma’s founder, Michihiro Yamaki, was also drawn to this area for its workforce, who have a reputation for their craftsmanship, work ethic and attention to detail. Mr Yamaki’s son, Kazuto Yamaki, now the owner and CEO of SIGMA Corporation, has the same unwavering commitment to keeping production in Japan.
Today Sigma’s factory is more than 50,000 square feet in size, and packed full of some of the most advanced optical manufacturing technology in existence. So when you buy a Sigma camera or lens you can be sure that virtually every single component part has been manufactured and assembled by SIGMA, in Japan, with the greatest level of care and attention. We hope you enjoy using our products.
If you want to see how a particular SIGMA lens or camera performs, why not test drive it with our SIGMA Select hire service. Available for selected SIGMA lenses, short-term loans are free of charge (including shipping), with a small fee if you want to test it for longer. Refundable deposit required. Subject to availability.
15 elements in 11 groups
Angle of view
Number of diaphragm blades
9 (rounded diaphragm)
Minimum focusing distance
Maximum magnification ratio
Dimensions (diameter x length)
ø85.0mm × 90.2mm
Corresponding AF mounts
Canon EF | Nikon F | Sigma SA | L-Mount | Sony E
Canon EF barcode
Nikon F barcode
Sigma SA barcode
Sony E barcode
Specifications are for SIGMA SA mount
A special coating applied to the front element to help repel water and oil.
This suppresses flare and ghosting by minimising reflections within the lens, ensuring punchy, high-contrast results. All lenses in the current Sigma range feature this technology.
Internal focus or an inner focus system means the lens configuration uses movable internal lens elements that adjust focus without changing the length of the lens barrel. This helps keep the centre of gravity of the lens more constant when changing focus.
Sigma’s Hypersonic Motor (HSM) uses ultrasonic waves to drive the autofocus mechanism. It is extremely quiet, fast and accurate, so is well suited to a wide range of photo and video applications.
The lens has an image circle large enough to be used on a full-frame camera. It can also be used on cameras with a smaller ‘crop’ sensor, provided the mount is compatible.
The lens has a filter thread around the front element onto which filters and filter holders can be attached.
The mount is the part of the lens that attaches to the camera body. A coated brass mount is used for strength, and is surrounded by a rubber seal to keep out dust and moisture.
This switch toggles between autofocus and manual focus.
The diaphragm is constructed of nine rounded blades for a circular aperture opening and round out-of-focus highlights.