Take a number of photographs. Focus sharply. Provide a plain, uncluttered background that does not draw attention away from the object you're depicting. Be alert to the distracting presence of miscellaneous items. Try a variety of angles.
Colored pictures usually are preferred for oral or poster presentations. However, most print journals still restrict photographs to black and white images unless color illustration is essential for reasons of evidence, efficiency, or emphasis. For example, color could be vital in illustrations of faint rashes, subtle histol-ogic stain colors, or multicolor scan images. Note also that journals that still use nondigital images generally prefer color transparencies (slides) and color negatives (negatives for color prints) rather than color prints.
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