Sigma 20-60mm f/2.8-4 DG Contemporary (L-Mount)

Sigma 20-60mm f/2.8-4 DG Contemporary, model C026, is a compact standard zoom lens for full-frame mirrorless cameras, available for L-Mount and Sony E. Its focal range starts at an ultra-wide 20 mm and extends to 60 mm, covering landscape, architecture, travel, street photography, reportage, environmental portraiture, and video production without requiring frequent lens changes. Maximum aperture varies from f/2.8 at 20 mm to f/4 at the telephoto end, providing particularly good light-gathering capability at the widest focal length. The optical design consists of 15 elements in 13 groups, including three SLD elements and three aspherical elements, while the diaphragm uses 9 rounded blades. Autofocus is driven by an HLA linear motor, designed to deliver fast, accurate, and quiet focusing even with moving subjects and during video recording, where reduced focus breathing helps provide more natural focus transitions. The lens also offers strong close-up capabilities: minimum focusing distance reaches 15.8 cm at 28 mm, maximum magnification reaches 1:2.3 at 35 mm, and remains at 1:2.9 at the 60 mm end. The filter thread measures 67 mm, while weight and dimensions remain especially compact: approximately 385 g and 72.2 × 86 mm for L-Mount, and 375 g and 72.2 × 88 mm for Sony E. The construction features dust- and splash-resistant sealing and a water- and oil-repellent coating on the front element. Sigma 20-60mm f/2.8-4 DG Contemporary is suitable for users looking for a lightweight and versatile full-frame zoom with a genuinely wide 20 mm starting point, useful close-up capability, and dimensions well suited to travel and everyday shooting. Commercial availability is scheduled for September 30, 2026.