Hi 1st post so please be gentle with me. i am asking this on behalf of my 17yr old son. He has a NIkon d3100 camera and the lens that came with it (nikon dx af-s nikkor 18-55mm 1:35-5.6G)
anyway he is studying media at school and has recently purchased a 2nd hand Tamron Zoom Lens AF 70-300mm...
