2015DIN ISO 9335:2015 Optics and photonics - Optical transfer function - Principles and procedures of measurement (ISO 9335:2012)
2008DIN ISO 9335:2008 Optics and photonics - Optical transfer function - Principles and procedures of measurement (ISO 9335:1995+Cor. 1:2005);English version of DIN ISO 9335:2008-04