Hi there, I need your suggestion. I am currently using a P&S for macro shots of the jewelry and once in a while I would get angry because I cannot focus the parts I really want to focus. I guess I have to step up and buy a Macro Lens for my D70s, what would you recommend? How about something under the $500 price range? I went to a local photo store and they recommend a Tamron 90mm f2.8 Macro lens and it was $489 - $90rebate. Thanks in advance!