Why 'more or less stopped using ISO'?

Started 10 months ago | Questions thread
Iliah Borg
Forum ProPosts: 16,314
Like?
Re: Maybe this will help.
In reply to crames, 10 months ago

crames wrote:

Only if you know how to convert to XYZ, where Y is luminance. CIE states that brightness is relative luminance. Relative luminance is defined as photometric luminance normalized to 0..100 in such a way that reference white is 100.

No, Brightness is an absolute percept,

Subjective absolute You do not know brightness, you can only say which one is brighter. Forget absolute.

-- hide signature --
Reply   Reply with quote   Complain
Post (hide subjects)Posted by
Keyboard shortcuts:
FForum PPrevious NNext WNext unread UUpvote SSubscribe RReply QQuote BBookmark post MMy threads
Color scheme? Blue / Yellow