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Old 08-09-2005, 04:34 PM   #1
kikaida
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Default How to avoid "blue out"?

I see a lot of UW pictures that otherwise would be great....except they are blue. Is this a situation where you need a special flash or would shining a hand-held light on the subject help?

Just curious....well not that kind of curious...Just wondering.
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Old 08-11-2005, 11:26 AM   #2
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I'll give you the easy version of this and wont go into too many tech details.

1st; A flash will bring out true color of the subject but the back ground will still be blue hued. If you use a on camera flash you'll have problems do to the particles in the water will reflect back and show on the film or sensor. So go with a off camera flash when possible.

2nd; hand held light will give you a color cast from normal too. Unless you get one that is day light balanced.

The best remedy is to put a filter on your camera to reduce the blue cast. A 81A will remove some or a 85C will remove more. The 85C is a stronger filter. But with 99% of filters you will loose 1-2 stops in speed.

Here's a link to a filter manufacturer and some great info.
http://www.tiffen.com/camera_filters...tion%20Filters
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Old 08-11-2005, 11:31 AM   #3
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So my disposable underwater camera will always suck?
Heheh, just kidding! Thanks for the info Mark.
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Old 08-15-2005, 10:33 AM   #4
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If you have a digital you can try the tungsten setting. Sometimes that will remove the blue cast. If you have a digital you can try everything and not pay for it too.
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