Canon ef 75 300mm f 4 5 6 iii vs tamron 70 300mm f 4 5 6?

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From Canon EF 75-300mm f/4-5.6 III: Canon EF 75-300mm f/4-5.6 III: A zoom lens by Canon for Full frame cameras, 75-300mm f/4-5.6. A very common cheap telephoto: soft at 300mm and not stabilised. Specs - Maker: Canon - Focal length: 75-300mm (zoom) - Maximum aperture: f/4-5.6 (it gets darker as you zoom in) - Made for: Full frame sensors - Mounts: Canon EF - Stabilised: no - Autofocus: yes What it frames like - On full frame (Canon EF): as marked, ...

From Tamron 70-300mm f/4.5-6.3 Di III RXD: Tamron 70-300mm f/4.5-6.3 Di III RXD: A zoom lens by Tamron for Full frame cameras, 70-300mm f/4.5-6.3. A light, inexpensive telephoto zoom that relies on in-body stabilisation.

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