Sigma 28-70mm F/3.5-4.5 IA ZEN

Specifications01

MountMINOLTA/SONY A

Focal length28-70mm

Max aperturef/3.5

TypeZoom

Release year1992

Weight350 g

Filter size52 mm

Min focus distance0.5 m

Max magnification0.1538

Aperture blades6

Optical elements11

Groups8

Min aperturef/4.5

AutofocusYes

StabilizationNo

Aperture controlNone The aperture is controlled from the camera(Minolta/Sony A) Aperture ring (Manual settings + Auto Exposure setting)(Pentax K)

EraFilm era

Production statusDiscontinued

Additional Info02

Lens TypeStandard zoom lens

Field Notes02

Sigma 28-70mm f/3.5-4.5 zoom lens for Minolta/Sony A-mount cameras, intended for general-purpose photography across wide to short telephoto. Aperture varies by focal length.

AI-assisted summary — verify against linked sources

Catalog note · source: thelensdb

Sources03

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Other Mounts03

This lens family is also indexed in 1 other mount.

PENTAX KView lens

Sigma 28-70mm F/3.5-4.5 IA ZEN

28-70mmf/3.5