Sigma 20mm F/1.8 EX DG ASPH RF

Specifications01

MountMINOLTA/SONY A

Focal length20mm

Max aperturef/1.8

TypeWide · Prime

Weight520 g

Physical length90 mm

Min focus distance20 m

Field Notes02

Sigma 20mm F1.8 is a wide-angle prime lens for Sony A (Minolta A) mount, intended for general wide coverage such as landscapes and interiors. It has a maximum aperture of f/1.8 for low-light use.

AI-assisted summary — verify against linked sources

Catalog note · source: dpreview

Sources03

dpreview.comVisit ↗

lens-db.comVisit ↗

Other Mounts03

This lens family is also indexed in 3 other mounts.

CANON EFView lens

Sigma 20mm F/1.8 EX DG ASPH RF

20mmf/1.82000

NIKON FView lens

Sigma 20mm F/1.8 EX DG ASPH RF

20mmf/1.8

PENTAX KView lens

Sigma 20mm F/1.8 EX DG ASPH RF

20mmf/1.8