Jacques de Vos using Dive and See’s underwater Ninja-2 housing DNC-N with Canon Mark lll.
This video demonstrates how the peaking filter option works. This command is easily accessed with a button highlighted on the panel. Canon 5D Mark III with Aquatica underwater housing and DNC-5 monitor.
Here’s a photo of David Corwin during a dive in Southern Indonesia, that shows two Cuttlefish mating. He says, “Your monitor makes it much easier for me to use my underwater video gear.”