How to reduce video lights' effects on marine life?

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From the professional underwater photographer Tom Park’s video:, he discussed whether the high powered lights scare away the marine life, and how to reduce the risk of harming marine life when using video lights for uw photography.

For most decent quality strobes, it can produce a beam of light that closely resembles natural sunlight. The animals eyes are able to adjust, and the light is consequently non harmful or spook underwater creatures. As for the video lights which produce a constant light, it’s difficult to hold a constant light that resembles the properties of natural light. He thinks the higher CRI of the video lights, the closer it can get to fully reproducing the full colour spectrum.

When shooting with a high CRI video light, it produce a far more natural light, and the animal is less likely to be irritated, and less likely to be harmed. If you use a low CRI light, these marine life see the unnatural light and get spooked, or swim away. It’s also possible to harm the eyes of these animals with unnatural lights.

Apart from using high CRI lights, any other things we can do to reduce the lights’ effects on marine life? Thanks for the sharing.

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