NAPM IT2.21

Photography - Colour Reversal Camera Films - Determination of ISO Speed

Org/Number ID	NAPM IT2.21
Alternate Organization ID / number	ANSI/NAPM
Version(s)	1994
Bin #	0231
Comments
Status	Present
Record last updated	April 25, 2022, 8:31 pm

This is the most recent edition of this standard.