One of the most hotly anticipated lenses released by Nikon, the 24-70mm ƒ/2.8 AF-S is a replacement for the venerable 28-70mm ƒ/2.8. Released alongside the D3 in November 2007, demand was so strong for the lens that Nikon implemented a pro-first policy that required (among other things) that the lens was only available if you purchased a D3. This policy has since been lifted, making individual purchase of the lens possible. Read the whole test here