The front and back of the filter

The front and back of the filter, Total:31 items.

The international standard classification for "The front and back of the filter" includes: Optical equipment .

The Chinese standard classification for "The front and back of the filter" includes: Electron optics and other physical optics instrument , Magnifier and microscope .

Taiwan Provincial Standard of the People's Republic of China

HG/T 4360-2012 Motion Pictures - Determination of Black-and-white Optical Sound Negative Film and High Contrast Positive Film Sensitivity Speed

DIN EN 1836:2004 Personal eye protection – sunglasses, sunscreen filters for general use and filters for direct viewing of the sun (includes amendments A1:2001 and A2:2002)

NS-EN 379:1994 Spesifications for welding filters with switchable luminous transmittance and welding filters with dual luminous transmittance
AS 1338.2:1981 Filters for eye protectors, Part 2: Filters for protection against ultraviolet radiation
AS 1338 PARTS 1 TO 3:1981 Filters for eye protectors
AS 1338.3:1981 Filters for eye protectors, Part 3: Filters for protection against infrared radiation
MIL MIL-DTL-62422E-2018 Filter, Laser Hazard Protection
MIL MIL-DTL-62422D-2010 Filter, Laser Hazard Protection

AS/NZS 1338.2:2012 Filters for eye protectors, Part 2: Filters for protection against ultraviolet radiation
AS/NZS 1338.3:2012 Filters for eye protectors, Part 3: Filters for protection against infra-red radiation
AS/NZS 1338.1:2012 Filters for Goggles - Filters used to protect against radiation generated during welding and related operations

DIN 67520:2013 Retro-reflecting materials for traffic safety - Photometric minimum requirements for retro-reflective sheetings
DIN 67520-1:1994 Retro-reflecting materials for traffic safety; photometric evaluation, measurement and characterization of retroreflectors and retro-reflecting sheetings

NF EN ISO 4892-2/A1:2021 Plastics - Methods of exposure to laboratory light sources - Part 2: xenon arc lamps - Amendment 1: classification of daylight filters

UNE-EN ISO 4892-2:2014/A1:2022 Plastics - Methods of exposure to laboratory light sources - Part 2: Xenon-arc lamps - Amendment 1: Classification of daylight filters (ISO 4892-2:2013/Amd 1:2021)