Zoom / sigma-sa / 28-105mm
This SIGMA zoom lens covers the standard range from 28–105mm, with a maximum aperture that varies from F2.8 at the wide end to F4 at the telephoto end.
Compatible with the SA mount, it offers versatile focal lengths suitable for a wide range of uses, including everyday photography and portraits.
It can be classified as a lens in the 28–105mm series.