The Canon PowerShot D20 is an excellent waterproof digital camera with a 12.1 Megapixel CMOS sensor and a 5x Image Stabilized zoom lens and a 3 inch LCD.
The Canon D20 isn’t just an underwater camera, however. It performs very, very well in low light situations. In fact, the D20 seems to best the highly acclaimed Olympus TG-2 at ISO 1600 and above.
Here is a screen shot close-up of a section of the the D20’s ISO 1600 sample image (scroll down and use the magnifying glass feature to see such details):
Notice that while there is a fair amount of noise, the text on the coin is still readable, colors are fairly accurate, and the black lines are still distinguishable.
Studio Low Light Sample Images: