Photographic term Twilight factor SWPPPersonalised Photo Products Hand Made in the UK

SWPP Home
Magazine
About us
Join

Term - Twilight factor


Twilight factorSWPP Photographic Glossary

Saturday 13th August 2022  




SWPP

Glossary
 

Image Competition
Free entry for SWPP members.

Membership
Free Information Pack

Qualifications - An Overview

Twilight factor

An indication of the brightness value of binoculars. It's similar to relative brightness, but you multiply the objective lens with the magnification and then find the square root of the resulting number. A higher number indicates the binoculars will be better for use in low light.



 

Information provided by: SWPP
More Photographic Terms

Contact SWPP
Copyright SWPP All rights reserved.
18/07/2022 16:38:56