Free ?Isotta Short Port, M67 for Canon Gxx housing? Free to Good Wetpixel Diver. This port was in an equipment package I bought on eBay, and I am guessing it is Isotta. The port has three bayonet lugs, the glass is perfect, and it is in fine working condition. Outer diameter is 90 mm, bayonet lug outer diameter is 70mm.
It is free, just Paypal for the shipping, $10 in the US, $16 foreign.
