This high-performance crop-sensor prime delivers outstanding image quality and an ultra-wide F1.4 aperture in a very portable body. Weighing just 265g (L-Mount version), it’s one of the lightest F1.4 lenses on the market for mirrorless cameras, so is ideal for photographers who need both performance and portability from their kit. The 30mm F1.4 is ideal for street photography, portraits, weddings, travel and day-to-day shooting, and thanks to its fast AF is also perfect for video.
The wide F1.4 aperture delivers a shallow depth-of-field for blurry backgrounds, and it also makes it easier to achieve blur-free shots when working hand-held in low light. The lens is available in a range of mirrorless mounts including L-Mount, Sony E-mount, Canon EF-M, Micro Four Thirds and Nikon Z Mount. When used on an APS-C sensor camera, the lens offers an equivalent focal length of 45mm, and when used on Micro Four Thirds, it’s 60mm. The SIGMA 30mm F1.4 is part of a series of portable crop-sensor primes with an F1.4 maximum aperture.
As with the other optics in Sigma’s F1.4 DC DN range, the 30mm F1.4 is constructed with a strong and light polymer that ensures a rugged build while keeping the lens portable. A large, rubberised focus ring makes manual focusing highly intuitive to use, and a petal-type lens hood helps control flare in bright sunlight.
The durable brass mount is surrounded by a rubber seal to help keep out dust and moisture (except EF-M mount).
The lens benefits from inner focusing technology, with a stepping motor that delivers smooth, fast and accurate AF for both stills and video. The lens has been designed with lighter lens elements in the focus lens group, which ensures responsive autofocus that is fully compatible with all the latest AF camera technology.
Precision brass mount with seal
Protects against dust and moisture.
Sleek polymer body
Light and strong for regular all-day use.
The 30mm F1.4 has an advanced optical design made up of 9 elements in 7 groups, including 2 aspherical elements, 2 SLD elements and 3 FLD elements. These ensure razor-sharp results and help to eliminate common optical issues such as chromatic aberration, flare and vignetting. The lens also utilises in-camera digital correction to fine-tune the final result.
Chromatic aberration is very well-controlled around areas of high contrast, and vignetting is minimal even wide-open. The lens has advanced optical coatings which reduce flare and ghosting when working in bright direct sunlight.
The 30mm F1.4 DC DN has a full-frame-equivalent focal length of 45mm, which is absolutely ideal for street and travel photography. Add to this its compact and lightweight design that makes it easy to carry around, and an F1.4 aperture for working in low light without a tripod, and this is one of the most versatile standard primes on the market.
A fast aperture also delivers a shallow depth-of-field for blurry backgrounds, making it easy to isolate a subject and create more impactful images. The bokeh is smooth and attractive, so doesn’t distract from the in-focus subject.
Almost identical in size and weight to the 18-50mm F2.8 DG DN | C, which is Sigma’s standard zoom for crop sensor mirrorless cameras, the 30mm F1.4 is also a versatile and portable lens ideal for day-to-day shooting. While the 30mm doesn’t have the flexibility of a zoom, it does have a faster aperture of F1.4, which lets in four times as much light and creates a shallower depth-of-field.
Sigma’s first three DC DN primes – the 16mm, 30mm and 56mm – are available in six different mounts, including Nikon Z Mount and FUJI X-Mount. The newer 23mm is currently available in three mounts.
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.
9 elements in 7 groups
Angle of view
Number of diaphragm blades
9 (rounded diaphragm)
Minimum focusing distance
Maximum magnification ratio
Dimensions (diameter x length)
ø65.4mm × 71.3mm
Corresponding AF mounts
L-Mount | Sony E | Fujifilm X | Nikon Z | Canon EF-M | Micro Four Thirds
Sony E barcode
FUJIFILM X barcode
Nikon Z barcode
Canon EF-M barcode
Micro Four Thirds barcode
Specifications are for L-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.
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.
The lens has an image circle large enough to be used on a camera with an APS-C / S35 (or smaller) sensor. It can also be used on cameras with a full-frame sensor, but only in the camera’s crop mode.
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.