My macro night setup. OM-1 with 90mm macro lens. 
The rechargeable LED Cube lights are perfect for a constant, meterable light source. 
They are mounted on my camera with a coldshoe bracket and a ball head extender so that I can direct the light as needed. 
Amazon LED Cube Light
Amazon Cold Shoe Quick Mount 
Amazon Cold Shoe Ballhead Mount
Moth light UV set up....we have several around our yard.

