Thanks for your trouble, it looks to me that the mild Fresnel and the flower pot are the most promising. I was playing about tonight with rolling cone shapes out of photo paper(Forgot to get some foil) and I soon found some more problems, the most awkward is the flash is so close to the lens that the cone can only be about 3 cm long before it comes into view and the other is that a bodge job wont do because the light that misses the cone finds it's way into the lens and washes the picture out.
I'm going to see if I can get one of those magnifiers and perhaps some of that silver cardboard you get in a microwave pizza package and do a better job of it.
Thanks again Don for going to the trouble to try those things.
Mick
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