macro flash tube prototype

this ugly beast is the second prototype of my macro flash tube
an extendable, adjustable all-mirrored cardboard construction guiding the light from the hotshoed flash close to the target through a diffuser
it can be folded flat for transport within seconds

i still have to make some adjustments, like cutting the end piece slanted to light more from the side, curving the diffuser inwards to concentrate the light more into the middle, and making it matte black of course
and i need a longer macro lenshood

but the principle is sound and lets me shoot extreme macros at high apertures with my inverted lens macro setup

example: [link]