×
Please click
here
if you are not redirected within a few seconds.
All
Images
Videos
News
Maps
Shopping
Books
Search tools
Any time
Any time
Past hour
Past 24 hours
Past week
Past month
Past year
All results
All results
Verbatim
Light value
In photography, light value has been used to refer to a "light level" for either incident or reflected light, often on a base-2 logarithmic scale.
Wikipedia