Thanks for the compliment. The following are the equipment I used: Panasonic Lumix DMC-GH4 with Olympus M.Zuiko ED 12-50mm F3.5-6.3 EZ lens in Nauticam NA-GH4 housing and compatible focus gear, lens port and flip diopter holder Panasonic Lumix DMC-LX100 in Nauticam NA-LX100 housing with flip diopter holder Nauticam Compact Macro Converter CMC-1 Nauticam tray, and clamp and arm light mounting systems i-Torch Video Pro6 and i-Torch Video Pro6+