Keywords:
Cameras, Copy preparation, Density, Documentation, Engineering drawings, Filming, Inspection, Layout, Legibility, Microfilm, Microforms, Micrographics, Microphotography, Newspapers, Optical, Performance testing, Photo technology, Photomicrography, Quality control, Recognition, Records, Reprography, Silver film, Specification (approval), Specifications, Test charts, Test equipment, Testing, Tests, Tolerances (measurement)