Sigma DG 20-40mm F/2.8 EX ASPH

Specifications01

MountSIGMA SA

Focal length20-40mm

Max aperturef/2.8

TypeZoom

Field Notes02

Sigma 20-40mm f/2.8 zoom lens for SIGMA SA-mount cameras, covering wide-to-normal focal lengths with a constant f/2.8 maximum aperture for low-light and general use.

AI-assisted summary — verify against linked sources

Catalog note · source: kentfaith

Sources03

kentfaith.esVisit ↗

allphotolenses.comVisit ↗

Other Mounts03

No alternate mounts are indexed for this family yet.