Sigma 28-45mm f/1.8 DG DN Art

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Zoom lens

A zoom lens by Sigma for Full frame cameras, 28-45mm f/1.8. A short zoom as bright as a prime, f/1.8 throughout.

Maker	Sigma
Focal length	28-45mm (zoom)
Maximum aperture	f/1.8
Made for	Full frame sensors
Mounts	Sony E, L-Mount
Stabilised	no
Autofocus	yes

What it frames like

Its full-frame-equivalent focal length on the sensor it was made for.

How wide 28mm sees at its wide end on each sensor it covers.

f/1.8 wide open, to scale against f/1.4.

On full frame (Sony E, L-Mount): as marked, 28-45mm.
On APS-C (Sony E, L-Mount): like 42-68mm on full frame; f/1.8 gives about the depth of field of f/2.7 there.