Hello,
I think we all have some aluminium lenses with dark spots on the metal. I've found a tool that removes them easily, it's a glass fibre eraser. The one I bought is this one here:
http://www.artifolk.co.uk/catalog/products/airbrush_accessories/faber_castell_glass_fibre_eraser_pen.htm
You can get it in a paper store.
Ulrich
http://fotos.cconin.de
03/27/2010 09:40