Day: July 8, 2015

ASA? ISO? DIN?!? What’s the Difference?

Boxes of film can have all sorts of numbers on them.  What do they mean?

Boxes of film can have all sorts of numbers on them. What does that big number on the box or canister mean?

I get a few people who ask me what the difference is between ASA and ISO, and an even more random mention of what DIN is.  All three terms are used to describe film speed or, more technically, film sensitivity.

 

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