underwater Photo Course :: (2) Equipment Guide :: Underwater Camera Housings :: Digital Underwater Cameras :: Housing Types

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There are a number of different housing designs.

• Capsule: The most basic design relies entirely on autofocusAutomatic selection of the correct focus. TTL focus systems which work through the lens are better for underwater video/auto-exposure technique and offers only basic control, usually just a shutter release and TTLThrough The Lens. A term applied to viewfinders and metering systems that operate behind the lens. As such TTL is accurate because it sees what the lens sees. flash socket. Often a capsule is a stripped down, budget version of the top of range housingA casing or box with waterproof seals designed to contain a camera or other equipment in such a way that it can be used underwater..
• Universal: There is also a permutation of the capsule housing that takes a number of different models, sometimes called the universal housing (or Uni housing for short).
• Full Function: Most serious underwater photographers opt for housings that allow you to operate the maximum number of controls (within physical limitations).