NA 149

DIN Standards Committee Entertainment Technology, Photography and Cinematography


Digital cinema - Image Projection - Part 2: Ambient light during projection and their measurement


The ambient light level in a cinema is important for assessing the quality of image reproduction. The contrast of the image reproduction is negatively influenced by this light component. So limits need to be defined for this light component. These limit values should take account of the most unfavourable situation with regard to the projection of the picture. To determine the amount of extraneous light in a cinema, the measuring method needs to be described.



Planned document number

DIN 15584-2

Project number


Responsible national committee

NA 149-00-03 AA - Production, playback and preservation of motion picture and sound 

draft standard

Digital cinema - Image Projection - Part 2: Ambient light during projection and their measurement
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