Sigma 24 35mm f 2 dg hsm art vs tamron 17 35mm f 2 8 4 di osd?

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From Tamron 17-35mm f/2.8-4 Di OSD: Tamron 17-35mm f/2.8-4 Di OSD: A zoom lens by Tamron for Full frame cameras, 17-35mm f/2.8-4. A light, inexpensive wide zoom for full-frame DSLRs. Specs - Maker: Tamron - Focal length: 17-35mm (zoom) - Maximum aperture: f/2.8-4 (it gets darker as you zoom in) - Made for: Full frame sensors - Mounts: Canon EF, Nikon F - Stabilised: no - Autofocus: yes What it frames like - On full frame (Canon EF, Nikon F): as ...

From Sigma 24-35mm f/2 DG HSM Art: Sigma 24-35mm f/2 DG HSM Art: A zoom lens by Sigma for Full frame cameras, 24-35mm f/2. Specs - Maker: Sigma - Focal length: 24-35mm (zoom) - Maximum aperture: f/2 - Made for: Full frame sensors - Mounts: Canon EF, Nikon F - Stabilised: no - Autofocus: yes What it frames like - On full frame (Canon EF, Nikon F): as marked, 24-35mm. - On APS-C (Nikon F): like 36-52mm on full frame; f/2 gives about ...

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