Nikonian72 wrote:
Initials pronounced as a word are called acronyms. LASER is an acronym. FBI, CIA, ASA, DEA are not.
My manufacturing industry is saturated with ISO requirements. I have never heard the letters pronounced as the acronym eye-sew. As a serious photographer of 40-years, I have heard the letters DIN pronounced as an acronym, but never ISO pronounced as an acronym. It will be interesting to see if ISO becomes an accepted acronym.
Neither have I and when I started photography it was still ASA. I've always heard it pronounced eye-ess-oh.