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Question: Macro Photography

I am looking for someone to help me set my DSC-H50 for Macro Photography! Re; I want to take pictures of coins and have them come out like you were looking at them with a 5X lense! Or do I need to buy a Lense to put on my camera??? I have gone through 4 cameras so far and really don't want to buy another one! I got tired of Buying Film and figured the way to go was digital!
Could somebody help me out here???