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April 1989

Total Body Photographs of Dysplastic Nevi

Author Affiliations

J. L. McClellan Veterans Administration Hospital and the Department of Dermatology; Department of Campus Media Services University of Arkansas for Medical Sciences 4301 W Markham, Slot 608 Little Rock, AR 72205; Biomedical Communications George Washington Medical Center 2300 Eye St Washington, DC 20037

Arch Dermatol. 1989;125(4):566. doi:10.1001/archderm.1989.01670160114028

To the Editor.—  In the August 1988 issue of the Archives, Slue et al1 describe a method of recording total body photographs of dysplastic nevi. This letter is submitted because we feel that several aspects of the article require further consideration.While Nikon equipment was used, any modern single-lens reflex camera body fitted with a macro lens is satisfactory. Macro lenses are actually close-focusing and ultraclose-focusing lenses, essentially all of which have reproduction ratios printed on their focusing rings, along with distances listed in feet and meters. Rather than standardizing by selecting a focusing distance of 2.5 ft, we would suggest using a reproduction ratio of 1:10. This is close to the image size obtained with a 55-mm lens (Micro Nikor) focused at 2.5 ft. A standardized reproduction ratio would allow similar photographs be taken easily with any brand or focal length macro lens.Studio lighting is preferred by

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