I have a Canon G2 that does some great macro shots. But, I added a BW +4 macro lens. Then, for fun I added +4, +2, and +1 Hoya macro lenses. They definitely helped focus, but the G2 does a pretty good job without them.
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__________________ Scott MKIIa 10GB - 2.0b11 w/Hijack MKIIa 60GB - 2.0 final w/Hijack