F-number

F-number

(Science: radiobiology) in optics, denotes the ratio of the equivalent focal length of an objective lens to the diameter of its entrance pupil.

Retrieved from "http://www.biology-online.org/bodict/index.php?title=F-number&oldid=42235"
First | Previous (F-negative bacterium) | Next (F-positive bacterium) | Last
Please contribute to this project, if you have more information about this term feel free to edit this page.