CHAPTER 7PHOTOGRAPHYOverviewIntroductionObjectivesYou may think all you need to know as an Illustrator Draftsman is how toillustrate. However, you must also have a rudimentary knowledge ofphotographic principles (exposure, development, and printing) and film types.Your knowledge may save many hours of labor for you or for the Photographer’sMates or Lithographer’s Mates in support shops. Obtain copies of thePhotography (Basic), NAVEDTRA 12700, and Lithographer’s Mate,NAVEDTRA 10451, training manuals. For further study in photography, reviewthe work of Ansel Adams, Edward Weston, Berenice Abbott, and Julia MargaretCameron.The material in this chapter enables you to do the following:State the procedures for positioning unexposed film or paper in processcameras.Define digital photography.Relate exposure time to f/stop settings.Identify film types and match them to specific purposes.Distinguish between reversals and negatives.Recognize film types used to photographically reproduce line art andcontinuous-tone art.Describe the effect enlarging or reducing photographs has on resolution andgrain.Distinguish between cropping photographs and scaling photographs.State the purpose and procedures for indicating crop marks on photographs.Continued on next page7-1
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