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MVPix.com has just posted an interesting article examining Digital Cameras that have TTL Support Underwater. It examines some of the ways in which manufacturers offer TTL support.
"My wife decided it was time to upgrade her underwater photography equipment. She's been using a Sony P&S with a Sony housing and Ikelite DS-50 for over 2 years, so this upgrade is long overdue. After looking over the features of different housings and cameras, she decided flash TTL was one of her requirements. This article explores the different options available, with flash TTL support, for underwater digital cameras in September 2004....
Before you start shopping for a camera, you should determine the TTL system you prefer (if flash TTL is a requirement for you), and find all the housings that support it. We chose the Hot-Shoe method for 2 reasons: It's realiable (unlike the sensor method), and we already have some underwater substrobes (so housed flashes would be an additional expense). At the moment, I'm only aware of Ikelite housings that offers TTL with a hot-shoe connection. They've decoded the TTL flash protocols for Olympus and the Canon 300D. The Fuji S2 Pro flash TTL is also supported, but it's not clear how - some electronics in the housing may be involved, or it may be completely camera based."
Read more at Digital Cameras with TTL Support Underwater
Posted by Darren in our Tips category on September 11, 2004