Sigma 16-28mm F/2.8 DG DN | C

This Sigma zoom covers 16–28mm on full-frame cameras and comes in Sony E and L-Mount versions. Sigma introduced it in 2022. Its wide range suits interiors, landscapes and travel scenes where you want to include a large part of the surroundings from one position.

The f/2.8 maximum aperture stays available throughout the zoom. The main trade-off is reach. Even at 28mm, distant details remain relatively small. It works as a wide-angle part of a kit, while a longer lens can cover tighter portraits or details farther away.

The lens weighs 15.9 oz (450 g) and measures 3.04 in (77.2 mm) across. The L-Mount version is 3.96 in (100.6 mm) long; the Sony E version is slightly longer. The internal zoom keeps the barrel length unchanged when you zoom. Screw-in filters must match the 72mm front thread.

At 16mm, you can include more of a room or landscape than at 28mm from the same position. This helps when space limits where you can stand. Check the edges for your shadow, equipment or objects that do not help the composition. Moving close makes a foreground object look prominent against distant scenery. The change in viewpoint creates that perspective. Keep people away from the frame edges when their proportions matter, and avoid crowding a face with the camera. Small position changes can make a large difference to a wide composition.

The maximum aperture remains f/2.8 as you zoom. You can retain that opening when framing changes, though a different part of the scene may need a different exposure. In dim interiors, f/2.8 gives more room for a faster shutter speed or lower ISO than a smaller opening.

A nearby subject can have a soft background at f/2.8. For a landscape with foreground and distant detail, stop down and choose focus carefully. A wide view does not automatically make everything sharp. Inspect important details when depth of field is central to the picture.

Closest focus is 0.8 ft (25 cm), measured from the sensor. Maximum magnification is about 0.18x, useful for larger details shown with their setting. Leave room ahead of the front glass, and avoid shading a nearby subject with the lens or camera.

There is no stabilization in the lens. A camera with body stabilization can reduce shake for still scenes. A tripod gives a firm base for carefully arranged interiors, night landscapes and long exposures. Moving people in the frame still need enough shutter speed for their movement.

The rotary zoom ring changes framing manually. There is no zoom lock switch. Keep the lens supported when carrying the camera, and use cover in persistent rain or blowing dust.

Four aspherical elements help correct distortion and spherical aberration, which can bend lines or soften detail. Five FLD elements help reduce coloured fringes along high-contrast edges, such as a roof against bright sky. The element count describes the design rather than proving measured sharpness.