Why is there no "negative" ISO?

Started Jul 14, 2011 | Discussions thread
Dennis Forum Pro • Posts: 17,534
Re: It's a non-sequitor

Chato wrote:

Dennis wrote:

Wouldn't negative ISO would involve the camera adding light to the scene ?

ISO is a measure of sensitivity to light. Zero ISO means no sensitivity, meaning, no picture. You want less than no picture?

Hi Dave, maybe the reference was too obscure. The Nikon I specified in my subject line is one with a built in projector No seriousness intended.

  • Dennis

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