Reference number
ISO 7829:1986
© ISO 2025
International Standard
ISO 7829:1986
Photography — Black-and-white aerial camera films — Determination of ISO speed and average gradient
Edition 1
1986-08
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Published (Edition 1, 1986)
This publication was last reviewed and confirmed in 2021. Therefore this version remains current.

ISO 7829:1986

Language
Format
CHF 65
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Abstract

Describes a method for determining the speed and average gradient of black-and-white negative films used in aerial photography. Depending on the processing conditions, a single film product may have several speed and gradient values. The specifications do not apply to infrared aerial films.

General information

  • Status
     : Published
    Publication date
     : 1986-08
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 1
    Number of pages
     : 9
  • Technical Committee :
    ISO/TC 42
    ICS :
    37.040.20 
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