Canon PowerShot D20
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). Although light on features, the D20 is water, freeze, dust, and shockproof, and it didn't let us down in our testing.
Photographers who want a compact camera that can go for a casual swim, hike, or diving trip.
Low light and flash shooters, manual control lovers, and movie enthusiasts
Canon PowerShot D20 review
The Canon PowerShot D20 is a point-and-shoot compact designed for use outdoors and in the water. The difference between the D20 and many other waterproof compacts, like the Panasonic Lumix TS20 / FT20 is that it's been designed from the ground up for water-based and outdoor activities. If you take those things seriously and want a camera to accompany you and record your exploits, the...