A single water drop
A slight-projector and a singel water drop shows a lot of bows. Here you can see the primary, secondary and tertiary bow.
The distance between the water drop an the projection backside (white paper) is 30 mm, waterdrop an light source has an diameter of 2 mm.
Photo taken on 28.07.2011 on my desktop 🙂
Author: Michael Großmann, Kämpfelbach, Germany