Which camera - adjusting white balance

A camera with a single-click white balance button works

Sounds more fiddly than a camera with effective white balance = 'underwater' setting, but it works

Some cameras have a single-click, white-balance adjustment button.   Setting white balance manually varies between cameras.

When at the depth for your shot, point the camera at a white card strapped to your wrist and press the single click button.   Some use the palm of their hand.   Hardly seems perfectly white to me.

The camera adjusts it's settings so that white is true white when photographed.

Then point the camera at your subject, and shoot as normal.   The result is correct white balance.
It is an extremely simple, one button push with the Canon Powershot S90 and S95.

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