ISO 1230:1992 specifies a method for measuring the reflector factor. Contains formulae for calculating the ISO guide number for flash lamps (with and without integral factors resp.). Gives terms and definitions
Quelle: 130168/2006-10-31
Glossary / Lexicon
Iso 1230 1992
Title: Photography. Determination of flash guide numbers
ISO 1230:1992 specifies a method for measuring the reflector factor. Contains formulae for calculating the ISO guide number for flash lamps (with and without integral factors resp.). Gives terms and definitions
ISO 1230:1992 specifies a method for measuring the reflector factor. Contains formulae for calculating the ISO guide number for flash lamps (with and without integral factors resp.). Gives terms and definitions