Coloured filters are a commonly suggested solution for the blue or green colour tinge that pictures taken underwater using available light can have. But these filters have their limitations, are not always necessary and can be a double edged sword when shooting pictures or video underwater.
Taking pictures and video while diving has become increasingly popular since the advent of digital cameras. But the camera market has also become more and more complex with numerous pitfalls for would be underwater photographers. In this series of blogs I'm going to try to clarify some of the factors that make some cameras better for underwater photography than others.