If you don't have a camera with a manual exposure setting and if you don't have an external flash, in other words if you have a rather basic point and shoot camera then keep the following points in mind to get a better result:
- Only take a camera under water if your buoyancy is sufficiently under control.
- Release the trigger as careful as possible to avoid blur because of camera movement.
- Use the custom white balance function of your camera and repeat this if you change depth.
- Always process your pictures in a photo-editing program. Use the program that came with the camera, buy a commercial package or search the Internet for an Open Source free alternative. Correct exposure, contrast and color if needed.
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