November 27, 2020 ―- Archive
License: Creative Commons Attribution 4.0 International License.
Here in a teacup is tea with olive oil drops floating on top and serving as a lens focusing sunlight onto the side of the teacup. In the picture are four drops of olive oil (not very visible) with four corresponding images on the side of the teacup (much more visible).
Equipment used: Canon EOS Rebel T5i with a standard zoom lens (EF-S 18-55 mm).
Authors: Richard Hollos and Stefan Hollos