2 definitions by audiozer0

Top Definition
ISO
Film speed. (International Standards Organization)
All-purpose film is 400 ISO.
by audiozer0 April 14, 2004
ASA
Film speed rating. (American Standards Association)
All-purpose film is 400 ASA.
by audiozer0 April 14, 2004

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×