Here's an article I stumbled upon recently I thought could possibly be useful for you to read:
Underwater photography isn’t for the easily unmotivated. Aside from being technically difficult, there are an assortment of other concerns. It requires a lot of forethought and planning. If you are thinking about getting started in underwater portraiture or have already tried your hand at it, the advice Brooke Shaden shares in the video below could [...7 Pro Photography Tips For Underwater Portraits
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