https://newatlas.com/digital-cameras/xenon-flash-adaptalux/
Macro lighting system adds Xenon flash to flexible setup
Oct 11, 2019 - The UK's Adaptalux has added flexible Xenon flash arms to its macro photography lighting arsenal, together with an IR emitter to trigger them.
macro lightingxenon flashsystemaddsflexible
https://www.divephotoguide.com/underwater-photography-techniques/article/lighting-guide-underwater-macro-photography
Lighting Guide To Underwater Macro Photography
A guide to lighting for underwater macro photography
lighting guideunderwatermacrophotography