Shiny Colorful Test Tubes
Product photography is not really ‘my thing’ because products usually don’t hold an interesting conversation (not to say that all my human subjects do). Usually I’ll be happy to refer product work to some friends who are good at that kind of stuff. But if it’s part of a bigger assignment, I’m happy to play around with lights to take pics of some products for a couple of hours. Last week I shot annual report / general website pictures for a bio pharma company. It was mostly about capturing people during their work but we also needed some more abstract illustrative pictures. That’s when we made this picture of colorful test tubes.
The colors we got by playing around with simple food coloring products. We shot this in an office that we transformed into a table top studio within ten minutes. In the picture below you can see the setup.
The most important light is the light coming from behind the test tubes. I used two Canon 580EXII flashes with Pocketwizard Flex TT5’s pointed at 2 sheets of xerox paper taped to the cabinet. The paper becomes a washed out white background AND the main light source as it brings out the colors of the liquid. A Lumopro LP160 (on optical slave) with a translucent umbrella kicks in a tiny bit of fill light. Although I really like the TTL-capabilities of the TT5’s, I set all flashes to manual to make sure I got consistent results frame after frame.
The camera bag in the picture, isn’t there by accident. If you shoot transparent things on a white background, you often don’t see the glass anymore. By adding negative fill (something black) to the sides, the edges of the test tube stand out because they reflect the black object. That’s why I put the bag on the right and on the left (outside of the frame) I’ve placed some black dictionaries that I found in the office.
It’s not a very complicated shot, but if you lack the knowledge about light it can take ages to find a solution through trial and error. And you probably won’t be able to duplicate the effect in other circumstances. You all know that I’m a firm believer in having a sound knowledge about light. Every time I shoot something like this, I want to tell people about the book: Light: Science and Magic. It’s not the easiest book to digest and you will curse the writers for putting so much information into one book. But once you wrestled through it, you will be very thankful that they did.
I’m sure the shot could be even better but sometimes time, budget and situation ask for some improvisation with what you have in handy. This was just one of the 270 final pictures I shot that day.















