Ever wonder why cameras with the same ISO can look so different? Yeah, me too. There’s no easy answer as to why.

Read the full article: ISO: The Standard that Doesn?t Really Exist (http://www.dvinfo.net/article/misc/science_n_technology/iso-the-standard-that-doesnt-really-exist.html)

Does a camera’s ISO setting actually represent reality? Maybe. Here’s a way to test it using a gray card and a calibrated light meter…

Read the full article: ISO: Is It Really What You Think It Is? (http://www.dvinfo.net/article/misc/science_n_technology/iso-is-it-really-what-you-think-it-is.html)

Since the beginning of film, cinematographers have sought to assign their own speed ratings to film. The same is now true of video cameras. I don’t know how manufacturers do it, but here’s how I do it…

Read the full article: ISO: What Works for You (http://www.dvinfo.net/article/misc/science_n_technology/iso-what-works-for-you.html)