and had to prepare my equipment for this, as follows...
Step 1: Source
More on UV, phosphorescence and photography you can find on Web.
This UV led's has to be mounted in a waterproof housing ...
Step 2: Preparation
First drawings, and planning, and..voila.
I took plexi plate 4mm thick and cut of circle,diameter to fit tube. drill holes for UV led's 8mm and 5mm, according plan, to get holder for led's...
Step 3: Led's Holder
Step 4: Housing
Tube cover with O-ring seal for bigger one and smaller are glued together facing opposite each other. Smaller has no O-ring seal and smaller tube I glued direct to them. I cut simple glass mirror as a bottom under led's holder.
Step 5: Assembling
Step 6: First Results
Of course, I took several pictures to see what I shall get. Before diving...I at last few pictures under water..This UV underwater photography shall be very interested field for future research...
Limitation is weak light, has to be photograph in a dark with long exposures, night pictures, avoiding any "daylight" intrusion and finding objects, flora and fauna, with Phosphorus, etc...etc.
So, I made this for me.
No any responsibility for yours.
Kreaimir Pregernik, dipl.ing