From the range of SP (Super Performance) full frame lenses from Tamron, the new 24-70mm f/2.8 G2 is a wide to short telephoto standard zoom with a bright (fast) constant aperture. The new lens is reviewed here using the 50MP Canon EOS 5DS R. Let’s see what the new lens has to offer and how well it performs and handles.

Handling and Features

At 905g (Canon fit) or 900g (Nikon fit) the lens is hefty, but it does balance well on the Canon 5DS R used for the review. There is a provided petal lens hood, complete with locking catch for extra security. This surrounds an 82mm filter thread. Immediately behind this is a generously sized zoom ring, clearly marked with various focal lengths. A locking switch operates at 24mm to ensure the lens does not extend during carrying. There is no real tendency for this to happen whilst the lens is new, but perhaps with use, it will prove a useful feature.
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https://www.ephotozine.com/article/tamron-sp-24-70mm-f-2-8-di-vc-usd-g2-review-31443