First off, I just wanted to say I love this forum. I'm fairly new here and am quite impressed with the activity and friendly atmosphere, and I've learned quite a bit here already. I've recently come across some articles praising the technique of mounting a wider angle lens backwards on a camera to produce magnifications greater than standard macro lenses. I've seen examples of a 24-28mm lens producing results in the area of 4:1 magnification. Are there any benefits of spending the extra money on a decent macro lens? I was considering the Sigma 70mm f/2.8 EX DG Macro but after seeing magnifications of 3:1 - 4:1, it makes the 1:1 ratio in the normal macro lens seem inadequate. I'm interested in the extreme closeups of bugs and stuff because it actually looks quite amazing when a wasp eye fills your entire screen. If anyone has any experience with either method, please explain the differences. The reverse mount just seems like it would give better results (greater magnification) at a much cheaper price. I don't have a 24-28mm prime lens yet, but would consider getting one strictly for macro use unless someone could persuade me otherwise. Thanks. Edit: Just wanted to add a link to an example of this technique: http://thephotoforum.com/forum/showthread.php?t=96325 This is actually the thread/website (link in that thread) that got me curious.