Surfaces for sports areas - Determination of specular reflectance; German version EN 13745:2004
Edition 2004-05

Connectors for electronic equipment - Tests and measurements - Part 23-4: Screening and filtering tests; Test 23d: Transmission line reflections in the time domain (IEC 60512-23-4:2001); German version EN 60512-23-4:2001
Edition 2002-07

Safety of machinery - Electro-sensitive protective equipment - Part 3: Particular requirements for active opto-electronic protective devices responsive to diffuse Reflection (AOPDDR) (IEC 61496-3:2018); German version EN IEC 61496-3:2019
Edition 2019-10

Tissue paper and tissue products - Part 16: Determination of optical properties - Diffuse reflectance method for opacity (paper backing) (ISO 12625-16:2024); German version EN ISO 12625-16:2024
Edition 2024-09

Optics and photonics - Lasers and laser-related equipment - Test methods for specular reflectance and regular transmittance of optical laser components (ISO 13697:2006); German version EN ISO 13697:2006
Edition 2006-08

Photography and graphic technology - Density measurements - Part 4: Geometric conditions for reflection density
Edition 2009-12

Paper and board - Determination of opacity (paper backing) - Diffuse reflectance method
Edition 2008-12

Tissue paper and tissue products - Part 16: Determination of optical properties - Diffuse reflectance method for opacity (paper backing)
Edition 2024-05

Optics and photonics - Lasers and laser-related equipment - Test methods for specular reflectance and regular transmittance of optical laser components
Edition 2006-05

Photography - Transmission and reflection densitometers - Method for determining performance
Edition 2001-10