Reference number
ISO 1230:1992
ISO 1230:1992
Photography — Determination of flash guide numbers
Edition 2
1992-02
Withdrawn
ISO 1230:1992
5849
Withdrawn (Edition 2, 1992)

Abstract

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.

General information

  •  : Withdrawn
     : 1992-02
    : Withdrawal of International Standard [95.99]
  •  : 2
     : 5
  • ISO/TC 42
    37.040.10 
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