Is the sigma 28 70mm f 2 8 dg dn contemporary good for travel?

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From Sigma 28-70mm f/2.8 DG DN Contemporary: Sigma 28-70mm f/2.8 DG DN Contemporary: A zoom lens by Sigma for Full frame cameras, 28-70mm f/2.8. A small, light f/2.8 standard zoom. Specs - Maker: Sigma - Focal length: 28-70mm (zoom) - Maximum aperture: f/2.8 - Made for: Full frame sensors - Mounts: Sony E, L-Mount - Stabilised: no - Autofocus: yes What it frames like - On full frame (Sony E, L-Mount): as marked, 28-70mm. - On APS-C (Sony E, L-Mount): like 42-105mm on ...

From Travel: Travel: A travel camera has to be good at everything and light enough that you still carry it on day five. Landscapes, food, street scenes, people, the inside of a dim church: you'll shoot all of it, often in a hurry, and you won't want to change lenses on a crowded square.

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