Sigma 105mm f/2.8 DG DN Macro Art

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Macro lens

A macro lens by Sigma for Full frame cameras, 105mm f/2.8.

What it frames like

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

How wide 105mm sees on each sensor it covers.

f/2.8 wide open, to scale against f/1.4.

On full frame (Sony E, L-Mount): as marked, 105mm.
On APS-C (Sony E, L-Mount): like 158mm on full frame; f/2.8 gives about the depth of field of f/4.2 there.