Photographic term F/number SWPPEurope's Largest All-welcome Photographic Convention

SWPP Home
Magazine
About us
Join

Term - F/number


F/numberSWPP Photographic Glossary

Wednesday 28th September 2016  




SWPP

Glossary
 

The Annual Convention
with a huge list of
cutting edge speakers from
4 continents.

Image Competition
Free entry for SWPP members.

Membership
Free Information Pack

Qualifications - An Overview

colintjones creative design, North Wales

F/number

The lens focal length divided by effective diameter of the aperture gives the f/number that's used to indicate the aperture value. Each full f/number halves or doubles image brightness and some lenses can also be controlled in half or third stop steps.



 

Information provided by: SWPP
More Photographic Terms

SWPP, 6 Bath St, Rhyl, LL18 3EB
Tel  01745 356935
International code (44)
Copyright 2006-16 SWPP. All rights reserved.
22/08/2016 11:03:59