Some results from my first time using the DI Osmo Action 4 in the clear blue water of the Red Sea. Overall, the lens is sharp and the colour the Action 4 records is good, and remains surprisingly good at depth. The much-touted 'better in low light' sensor does deliver decent results in low light and the official DJI housing is worth a bigger mention than it gets, it's very well designed and made. Conditions in the Red Sea certainly allowed it to deliver better results than it could in the the very low light torture test I subjected it to in the UK, you can see that video here: • DJI Osmo Action 4 revi...