Alright so I just rented the canon 100mm 2.8 Macro lens. I'm trying to learn the facet of macro photography. I thought I knew a little by the searches I've done here and what I've read on some google searches. But man am I clueless. I went outside today with my 5D, the new lens and my tripod, got real close to a pretty flower had it on auto focus and AV mode (about 6" away) and it wouldn't focus, kept going in and out (what's the word for that?) So I put it on Manual focus and I was only able to focus on the stamen (right word?) the rest of the flower was blurry, I realized I was at F2.8, so narrowed my aperture to 5.6, then 8, then 11 and just wasn't getting what I wanted. Naturally, (no pun intended) I wanted the whole flower in focus. Any Macro words of wisdom to impart on a Friday night?