saw this over at wetpixel. anyone have experience with this product? it looks like a simple solution for adding wet mount M67 thread lenses to some of the Canon u/w cases with oval-shaped ports, ie for G7, A640, A630, A710 IS.
http://www.plongimage.com/product_info.php?cPath=148&products_id=833
Terence
http://www.plongimage.com/product_info.php?cPath=148&products_id=833
Terence