Hey! I started diving 3 years ago just for another "hobby" to make nice photos of creatures. As a professional i have a computer engineering phd and also a wedding photography and marketing business so making photos its not far from me :) For underwater photos i change to a "little" sony a6400 cause salted line case is cheap as hell and also a sony and a nice sigma 18-50 2.8 (thanks to my friend advice!! ) is perfectly nice and lightweight, and the image quality is sufficent. Currently use 2 120degree very wide led lights on 2 side and also 1 godox 40cm bar in the top. Planning to get one flash to do same "blacwaterstyle" top down lights on next year ;) We mainly go dive in Dahab cause in price/quality/calmness is a perfect mix there.