Summary: The PowerShot D20 is a good underwater camera, though it doesn't stand out in any particular area. It takes decent (though slightly soft) photos with pleasing colors (but expect a color cast when shooting underwater).
Summary: If you need a camera that is tough enough to withstand the odd knock, and can do a job underwater the Powershot D20 does a fantastic job for the price, otherwise you’re better off looking elsewhere.
Conclusion: The Canon PowerShot D20 (Est. $220) is a good workhorse waterproof camera for people who shoot the occasional underwater photo. It fits GPS but no Wi-Fi into a slim, compact, slightly curvy body that's a little light on other features.
Pros: Rugged, uniquely styled body, Good underwater photo quality, Plenty of special effects and scene selection
Cons: Bulky camera body, Lens is on the slow side, No sweep panorama feature
Summary: The Canon PowerShot D20 is a compact camera lines with good technical characteristics and excellent wrinkles. Excellent presence and GPS logger that will satisfy even the most adventurous users.
Pros: Shock Resistant, Waterproof, Dust-proof, resistant to low temperatures, the HS System with 12.1 MP, Display with TAP control, built-in GPS.
Summary: Canon's second rugged digital camera is encased in a more conventionally-designed body while providing a hefty amout of protection. The Powershot D20 can be taken underwater to a depth of 10m while being shockproof to falls from 1.5m and freezeproof down to -10C.
Pros: Low image-noise until ISO 400, Nicely saturated colors, Generally responsive, Good stabilization, Quick optical zoom, Sharp MF-Assist view, Excellent LCD visibility, Excellent rugged construction, Quick shutter-lag, Good battery-life for GPS-enabled camera, Easy to press buttons
Cons: Softness at all ISO, strong past ISO 400, Unusable ISO 1600+, Narrow dynamic-range, Some over-exposure, Poor AWB in low-light, Very slow autofocus, Shutter-release too soft, Impossible to setup video framing, Lens too easy to block, Wrist-strap attaches to wrong side, 2½s Video delay
Conclusion: The GPS-equipped Canon PowerShot D20 is a well-built but large rugged camera with a sharp lens. It produces good-looking images at every supported ISO, but isn't the fastest tough camera that we've tested.
Pros: Sharp lens. Good high ISO performance. Integrated GPS.
Cons: Large, even for a rugged camera. So-so speeds. 1080p video limited to 24fps.
Summary: The Canon PowerShot D20 is a rugged, waterproof point-and-shoot compact designed for people who want to take pictures outdoors in tough environments and in the water. It's waterproof to a depth of 10 metres as well as dust and shock-proof.
Pros: 5x stabilised optical zoom., Designed for purpose., 1080p24 video recording., built-in GPS receiver with track log.
Cons: Very poor continuous shooting., Poor noise handling., No 'door open' warning ., Relatively expensive.
Summary: The Canon PowerShot D20 is a perfect travel companion that you can literally bring anywhere you go. Whether you're into water sports, mountain climbing or just a plain traveller who just needs an extra durability, this rugged camera got your back.