Abstract

Pertains to apertures and related properties of photographic lenses affecting the illuminance at the centre of the image. Does apply only to lenses focused on objects at infinity; that is, at least 50 times the focal length of the lens.


General information 

  • Status
     : Withdrawn
    Publication date
     : 1996-12
  • Edition
     : 2
    Number of pages
     : 8
  • Technical Committee
     : ISO/TC 172/SC 1 Fundamental standards
  • ICS
     :
    37.040.10 Photographic equipment. Projectors

Life cycle

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