|Thanks for the feedback.
You've probably walked past loads on your travels. They are quite small, but if your looking you'll find them.
Yes the filter works really well, so well in fact I keep forgetting to take it off! Left it on all day today whilst practising macro's - although I don't think that removing the filter would have affected the -cough- 'quality' of my images...
::Bog Beacon:: (34)