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Rent NowThe Sigma 16-28mm f/2.8 DG DN Contemporary is a compact, high-performance ultra-wide zoom lens designed for full-frame L-mount mirrorless cameras, offering a bright constant f/2.8 aperture in a genuinely lightweight, travel-friendly package. It’s aimed at landscape, architecture, interior, wedding, and portrait photographers who want ultra-wide versatility without the size and weight typically associated with fast-aperture wide-angle zooms.
Optically, the lens covers a 16-28mm focal range with a constant f/2.8 maximum aperture throughout the zoom, simplifying exposure control while providing strong low-light performance and shallow depth-of-field capability useful for close-up shots as well as wide scenes. The 16-element, 11-group optical design incorporates five FLD (fluorite-like low dispersion) elements and four aspherical elements, working to suppress chromatic aberration and color fringing while delivering excellent field-curvature correction for exceptional edge-to-edge sharpness, an important consideration for ultra-wide applications. Sigma’s Super Multi-Layer and Nano Porous Coatings help counter ghosting and lens flare from internal reflections, delivering punchy, high-contrast results even in difficult backlit conditions, and a rounded 9-blade diaphragm contributes to smooth background rendering.
Autofocus is handled by a stepping motor, delivering fast, quiet focusing well suited to both photography and video work in quiet environments, along with an internal focus and zoom design that keeps the lens’s overall length constant during use, useful for gimbal work and balanced handheld shooting. The lens exhibits some focus breathing during video recording, though it remains well controlled, and supports smooth aperture shifting while recording video on this L-mount version. A front filter thread is built into the lens design, letting photographers attach neutral density or polarizing filters more easily than on many ultra-wide zooms with bulbous front elements.
Build quality includes weather-sealed construction, though sealing is concentrated at the lens mount rather than throughout the barrel. The lens is compact and lightweight for its class, measuring 77.2 x 100.6mm and weighing approximately 450g (just under 1 lb.), and accepts 72mm filters. It’s also compatible with Sigma’s USB Dock for Leica Lenses, allowing photographers to adjust focus limiter settings, autofocus speed, microfocus, and other parameters through Sigma’s Optimization Pro software.
As a full-frame L-mount lens, the Sigma 16-28mm f/2.8 DG DN Contemporary delivers its full ultra-wide angle of view on full-frame L-mount bodies from Panasonic, Leica, and Sigma, while remaining compatible with APS-C L-mount cameras at a narrower, telephoto-equivalent effective field of view.
Key Features
– 16-28mm constant f/2.8 ultra-wide-angle zoom (Contemporary series) for full-frame L-mount
– 16 elements in 11 groups, including 5 FLD elements and 4 aspherical elements
– Super Multi-Layer and Nano Porous Coatings
– Stepping motor autofocus with smooth video aperture shifting
– Internal focus and zoom design (constant length)
– Rounded 9-blade diaphragm
– Built-in front filter thread
– Weather-sealed construction (at the mount)
– Compatible with Sigma USB Dock for Leica Lenses
– Compact, lightweight design (approximately 450g / just under 1 lb.)
– 72mm filter thread
– Compatible with full-frame and APS-C L-mount alliance cameras (Panasonic, Leica, Sigma)
