ERIC Number: EJ523647
Record Type: CIJE
Publication Date: 1996
Reference Count: 0
When the fl# Is Not the fl#.
Biermann, Mark L.; Biermann, Lois A. A.
Physics Teacher, v34 n5 p312-13 May 1996
Discusses descriptions of the way in which an optical system controls the quantity of light that reaches a point on the image plane, a basic feature of optical imaging systems such as cameras, telescopes, and microscopes. (JRH)
Publication Type: Guides - General; Journal Articles
Education Level: N/A
Authoring Institution: N/A