Title
Concave lens with arrows showing the divergence of rays of light.
Caption
Concave lens with arrows showing the divergence of rays of light.
Date
2015
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP17A23_438
License type
Rights managed
Available size
60,0Mb (1,6Mb) / 19,5in x 11,9in / 5860 x 3579 (300dpi)