In Endless Ocean Blue World (Arika, 2009) you play a diver who can take photo assignments for magazines. Pictures of rare fish and other animals are rated from clients. The camera simulation allows to zoom and to change F-stops.
Players’ discussion on how to achieve an A-rating within the game: https://www.gamefaqs.com/boards/954373-endless-ocean-blue-world/54367209
Game Underwater Photography is a free web-game where the player is an underwater photographer. Simple camera simulation allows the player to frame and shoot. Pictures are evaluated based on centering of the target and multiple fishes within the frame.
Tropical Dream: Underwater Odyssey is a game where you play as as a young girl who moves to a tropical island and starts taking underwater pictures.