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
Posted on July 31, 2011, in rainbow and fogbow, theory and tagged primary bow, rainbow, reflection, refraction, secondary bow, tertiary bow. Bookmark the permalink. 1 Comment.
Atmospheric Phenomena 
Nice…. got to try that some day. ^^