I was out shooting rain drops today trying to capture the "image" that you see in the raindrop itself as part of the composition (http://gallery.photographyreview.com...cat=500&page=5 for an example from the past) and I was reminded of how tough it is to get the image in the rain drop in focus given that that image has got a lot of "depth" to it! The drop itself was in focus, the image in the raindrop wasn't. It took a lot of experimenting to get it right (assuming I did - I'll let you know after I get the slides back) but the results are hopefully pretty cool

Your post reminded me of this phenomenon (no explanation needed here fellas)

Rick