The Tamron 70-180mm f/2.8 completes a trio of lenses for the full-frame Sony mirrorless camera range. Joining the 17-28mm and 28-75mm lenses, Tamron now offers a full range of focal lengths from 17mm to 180mm in these three lenses, which match in terms of aperture and filter size, aiming for maximum convenience in operation as a set. We have already had a first look at the new lens, which was extremely promising, and now have the opportunity for a real in-depth examination. Let’s see if it lives up to its promise, using the 42MP Sony Alpha A7R III camera body, although it is of course also suitable for use on the APS-C sensor cameras, where the “crop factor” would equate to a field of view of 105-270mm in 35mm format terms.
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