e-Tutor.com - Online tutoring, learning, and homeschooling resources      Home    Enroll    Tour    Contact Us    Graphing Calculator         Dictionary Home    Index    About   
 
     
 

Definition of 'stop number'

Noun

  1. the ratio of the focal length to the diameter of a (camera) lens system
       Synonyms: focal ratio f number speed


Get this dictionary without ads as part of the e-Tutor Virtual Learning Program.