Thanks Mark. I have looked at the web but I think your summary is the only one I've (now) seen that focuses (no pun intended) on photographing leps!

Thanks for the detailed reply.

Regards

Jon.

Prompted by another post, I'd like members' opinions on the Canon 5D versus Canon 20D for butterfly photography. The 5D is considerably more expensive than the 20D, but has a full-frame sensor, and a higher resolution. However, this means that you'd lose the 1.6 magnification you'd get with a 20D. I...