AS 2655-1992

Sets out constructional and optical requirements for portable microform readers. Includes test methods for measuring screen luminance, screen reflectance of rear projection readers, screen contrast, temperature of microfiche, resolution, legibility, magnification and distortion. Test methods for measuring resolution, legibility, magnification and distortion require use of Australian Standard Test microfiche AS 2656. This Standard also includes particular requirements for Department of Defence application.