I hope you visited our booth at the scuba show today or yesterday, but-
We don't suggest or sell the PT-023 for a few reasons.
I have seen several housings have the lens port latches fail, which is totall unacceptable. The bulkhead is also very poorly designed, and will corrode in place (often within a few months...). The Olympus housing also has no optically good solution for wide angle photography.
This is very disappointing, considering its price.
I suggest the Ikelite housing for this camera. It may be a bit more expensive, but it has a real port, a real bulkhead, and a real wide angle optionl It also has Olympus TTL Conversion Circuitry when used with Ikelite DS- Strobes, making flash exosure automatic. A tray and handle is included in the price.
The disadvantage of this housing is that it doesn't allow the use of the cameras internal flash...