Very good condition. Tested and the flash powers up and fires.
eBay
Nitescuba Diving Clamp For Video Light Inon Strobe Flashlight Holder Common Use Ys Mount Arm Bracket Tg6 Underwater Photography
Aliexpress UK
This Listing Is For A Nikon Underwater Flash Bulb Unit for Nikonos w/Cam Mount This flash handle is being sold as-is and untested. The metal body and interior of this unit are in good condition.
eBay
Nitescuba Diving Cold Hot Shoe Snake Arm Flashlight Loc Line Flex Light Arm Ys Adapter Strobe Light Tg6 5 Underwater photography
Aliexpress UK
Good used condition see photos a few cosmetic marks - not tested underwater. Bundle as shown.
eBay
Diving Extended Flash Lights Ball Butterfly Clip Arm Clamp Mounting For GoPro DJI Insta360 Camera Underwater Bracket Ball Mount
Aliexpress UK
It features a built-in manual flash, which can be used to light up the scene when more light is required. Lightweight and compact, it is ideal for indoor and outdoor use. Kodak Gold 400 film is ideal for low-lit situations, and produces consistently bright, vibrant colours across a wide range of lighting conditions.
eBay
20 to 38mm Lamp Adjustable Mount Holder Clamp Waterproof Diving Flashlight Light scuba video Torch Underwater Photography camrea
Aliexpress UK
I believe this is a flash for 35 mm I have no way to test it. The case looks to be good and able to seal
eBay
1 inch Ball Head Adapter Diving Flashlight Fixing Mount Holder for GoPro 11 Underwater Butterfly Clamp Mount Camera Accessories
Aliexpress UK
Very good used condition see photos. Bundle as shown.
eBay
All-mental Diving Flash Lights Ball Butterfly Clip Arm Clamp Mounting 1 inch For Gopro Xiaoyi Underwater Tray Bracket Ball Fix
Aliexpress UK
The Ikelite DS160 Substrobe is a powerful underwater strobe flash designed to enhance your underwater photography by providing bright and consistent lighting. Model Number: DS160. Strobe Type: Underwater Substrobe Flash.
eBay
Seafrogs Diving Light 1200LM Ring Flash Light for Canon Sony Nikon Camera Case for 67mm Lens Waterproof Underwater Light Lamp
Aliexpress UK
Seafrogs MK02 100meter Deepth Waterproof 6000LM Professional Diving Flashlight Underwater Diving With Optical Fiber Interface Diving Touch.
eBay