13 pages matching focus-to-film distance in this book
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Types of Xray tube
The halflife of a radioactive source
10 other sections not shown
absorbed absorption Agfa-Gevaert aluminium anode anticathode antihalation layer betatron cathode characteristic curve correct exposure corresponding curie darkroom defect density 3.0 diameter dose drying effect electrons emitted emulsion energy exposure chart filter fixer fluorescent intensifying screens focus focus-to-film distance G 150 developer gamma gamma rays geometric unsharpness Graaff gradient half-life holography image quality indicator increase inherent unsharpness intensity ionizing radiation kilovoltage laser lead screens light Log rel logarithmic mAmin material maximum measured metal method metre millimetres minimum Modulation Transfer Function object being radiographed obtained Pair production Photoelectric effect primary radiation processing produced radiation image radioactive source range of correct reduced relative exposure rontgen safelight scatter sensitivity sensitometry silver halide soft rays solution step wedges stopbath Structurix surface tank temperature thickness thiosulphate tube voltage unit wash water wavelength wire indicators X-radiation X-ray films X-ray tube yellowed films