Sigma AF 16-28mm f2.8 DG DN Contemporary lens for Lumix L-mount 

Sigma’s award winning 16-28mm F2.8 is an ultra-wide-angle, wide-aperture zoom for full-frame mirrorless cameras.

Combining outstanding optical performance with a constant F2.8 aperture, the lens is perfect for landscape, wedding, interior and architectural photography.  The lens is exceptionally portable, so is an attractive option for photographers wanting to travel light without compromising on optical quality.

• Full-Frame Format
• f/2.8 to f/22
• Stepping AF Motor
• Internal Focus and Zoom Design
• Weather-Sealed Construction
• Rounded 9-Blade Diaphragm

Boasting optimised optical design technology, the 16-28mm is a high-performance optic that delivers exceptional sharpness across the frame with very little in the way of unwanted aberrations.

An internal zoom mechanism keeps the overall length of the lens consistent throughout the entire zoom range, so that the lens’ centre of gravity stays fairly constant. This is perfect for gimbal use as it would not need adjusting when the focal length is changed.

The quality of this lens was recognised at the TIPA Awards and the AP Awards in 2023, where it won the Best Wide-Angle Zoom Lens and the Wide-Angle Zoom Lens of the Year awards respectively.

For anyone needing a sharp and portable ultra-wide-angle zoom for mirrorless cameras, the 16-28mm is the perfect solution.

High-performance optics

Despite weighing only 450g, the 16-28mm F2.8 DG DN delivers outstanding optical quality even on very high-resolution sensors. Optical performance is maintained across the whole frame, meaning fine detail is rendered perfectly right into the corners.

The lens has an advanced optical design made up of 16 elements in 11 groups, including 4 aspherical elements and 5 FLD elements. These ensure razor-sharp results and work with in-camera digital corrections to eliminate chromatic aberration, flare, distortion and vignetting.

The lens has advanced optical coatings which reduce flare and ghosting when working in bright direct sunlight – very important on an ultra-wide-angle lens.

Superb for interiors

The 16-28mm has a very wide maximum angle-of-view of 107°, which makes it ideal for shooting in tight spaces such as the interior of buildings. The lens also has a constant bright maximum aperture of F2.8, which allows plenty of light through the lens. This is ideal for shooting hand-held in low-light conditions because it helps eliminate camera-shake.

Features and build

The exterior barrel of the 16-28mm is constructed using a polymer called Thermally Stable Composite (TSC). This has a similar thermal expansion rate to aluminium, meaning that the metal interior of the lens and the TSC exterior behave in the same way as temperatures change. TSC is also light and strong, and has a sleek finish for a premium look.

The SIGMA 16-28mm has both an internal zoom mechanism and an internal focus mechanism, so the lens always remains the same length. This makes it well suited to gimbal use due to a relatively constant centre of gravity, and it also means the end of the lens doesn’t rotate when focusing – important when using filters.

The lens has a stepping motor that delivers smooth, fast and accurate AF for both stills and video. It has been designed with lighter glass elements in the focus lens group, which ensures responsive autofocus that is fully compatible with all the latest AF camera technology.

The durable brass mount is surrounded by a rubber seal to help keep out dust and moisture.

Made in Japan

All Sigma cameras and lenses are designed, manufactured and assembled at Sigma’s 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 we believe 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 needs of professional photographers and film-makers around the world.