
Method For Measuring The Screen Luminance, Contrast And Reflectance Of Microform Readers
出版:National Management Association

專家解讀視頻
Outlines ways of measuring image contrast, screen luminance and screen reflectance of microform readers that have translucent or built in opaque screens up to 46 x 61 cm (18 x 24 inches). Also outlines the type of instrumentation needed and dimensional units.