Well i received a reversing ring in the post today so i've just been out to find some bugs! i used a reversed 28mm f/2.8 oly mount tamron lens... i read that wider lenses give you higher magnification, and this is the widest i could find with a 52mm thread. i also adapted my 430ex, redirecting the flash with cardboard and tinfoil so it was much closer to the subject.
focusing wasnt too easy! the viewfinder was almost black at f11-16, and the min focusing distance was probably about 5cm.
this shot must have been about f8 maybe more, i cant remember! iso 200.
best of the bunch... boris.
Thanks for looking,
Stu