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ISO 517:2008-ed.3.0
Photography — Apertures and related properties pertaining to photographic lenses — Designations and measurements
Automatically translated name:
Photography -- Apertures and related properties pertaining to photographic lenses -- Designations and measurements
STANDARD published on 10.3.2008
The information about the standard:
Designation standards: ISO 517:2008-ed.3.0
Publication date standards: 10.3.2008
SKU: NS-432748
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: International technical standard
Category: Technical standards ISO
The category - similar standards:
Annotation of standard text ISO 517:2008-ed.3.0 :
Description / Abstract: ISO 517:2008 pertains to apertures and related properties of photographic lenses affecting the illuminance at the centre of the image. ISO 517:2008 specifies aperture markings for all types of lenses used in still cameras, and gives tolerances for the stop numbers. It also defines aperture stop, entrance pupil, focal length, relative aperture and stop numbers, and gives methods for their measurement or determination. ISO 517:2008 applies only to lenses focused on objects at infinity; that is, at least 50 times the focal length of the lens.
Similar standards:
29.8.2002
27.2.1997
13.11.1997
13.11.1997
15.10.1998
1.6.2010
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