|Close-up of a daisy. Nikon D7000
I decided to have a little fun with stacking lenses this evening; I put a 100mm lens back-to-front in front of a 50mm lens and then went hunting things in the garden that would stay still.
The daisy here obliged nicely. The dark vignette around the picture is a result of having the lenses stacked, but it does make a useful frame.
The only issue is that the piece of glass of the 100mm lens that is usually inside the camera, is now very exposed and just a few centimetres from the subject; I thought I better not try photographing anything hard or sharp in case I bumped the lens element into it!
When I hit the Daisy, all it left was traces of pollen :)