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Old 09-11-2009, 10:32 PM
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Default Great White/Blue shark

I took this picture a year ago, as you probably know the great white shark has the upper body GRAY not BLUE as it looks on this picture. How can I correct this problem, I did not use any underwater filter either flash strobes and I have tried some color correction techniques. I hope I can get something like this: http://upload.wikimedia.org/wikipedi...hite_shark.jpg

The exif info is:

Model Canon EOS 5D
Exposure time 1/160 s
F-number f/6.3
Exposure program Normal Program
ISO speed ratings ISO 800
Shutter speed value 1/166 s
Aperture value f/6.4
Metering mode Pattern
Flash Flash did not fire, compulsory flash mode
Focal length 24 mm
Custom Rendered Normal process
Exposure mode Auto exposure
White balance Auto white balance
Scene capture type Standard

thank you for your time.
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File Type: jpg IMG_0128_dps.jpg (23.0 KB, 22 views)
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Old 09-12-2009, 12:05 AM
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White balance is the answer. The photo needs warming
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Old 09-12-2009, 01:25 AM
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I have taken my share of underwater photos. White balance is certainly an issue, but so is depth. How deep were you for this photo? If you notice in the photo which you linked, the shark is very close to the surface. That means that the natural sunlight has filtered through less water than it would of at, say, 50 feet. The light gets bluer at depth because the natural light becomes progressively more affected.

I think the two biggest issues with underwater photos are the depth (i.e. light source to subject distance) and the distance to your subject from your camera (particles in the water degrade the image). So the best shots are, unfortunately, the ones you take at 3 feet under the water with the camera pressed against your subject.

A strobe on a a long arm is the best solution at depth, because that light has traveled through less water than the natural light from above. This lets you balance your subject against the blue of the background water.

All of this assumes that you did not take the above photo in an aquarium of course . . .

Hope that helps!
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Old 09-12-2009, 02:15 PM
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Smile thank you

I really appreciate your tips and time. I was maybe 4 or 5 feet under the surface whe I shoot this picture but the shark maybe was 15 or 20 feet down. I'll work on it on photoshop to see what happens. thanks again.
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