Withdrawn
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.
WITHDRAWN
ISO 517:1996
95.99
Withdrawal of Standard
Mar 10, 2008
WITHDRAWN
ISO 517:1996/Cor 1:2006
PUBLISHED
ISO 517:2008