Microfilm aperture card for film 35 mm
Edition 1991-01

Optics and photonics - Optical transfer function - Definitions and mathematical relationships (ISO 9334:2012)
Edition 2015-12

Microfilm technics; microfilm readers; requirements for rear projection microfilm readers
Edition 1990-03

Optics and optical instruments - Veiling glare of image-forming systems - Definitions and methods of measurement (ISO 9358:1994)
Edition 2021-08

Ultrasonics - Pulse-echo scanners - Part 1: Techniques for calibrating spatial measurement systems and measurement of system point-spread function response (IEC 61391-1:2006 + A1:2017); German version EN 61391-1:2006 + A1:2017
Edition 2018-09

Technical drawings - Simplified drawing - Part 5: Foreign part drawings, directions for preparing
Edition 2002-04

Geometrical optics - Nomenclature and definitions
Edition 2003-12

Optics and photonics - Optical transfer function - Principles and procedures of measurement (ISO 9335:2012)
Edition 2015-12

Medical X-ray equipment up to 300 kV - Rules of construction for structural radiation protection
Edition 2021-06

Photosensitive materials for reprographic and micrographic use; dimensions; diazo type
Edition 1988-07