ABSTRACT
Exposure meters make it possible to obtain consistently satisfactory exposures provided the photographers test their equipment and material, learn to compensate for the miscellaneous variables that affect the results, and master the techniques of using the meter with various types of subjects. Reflected-light exposure meters are calibrated to produce the correct exposure when the reading is taken from a middle-tone area in the scene being photographed. Different contrast grades of printing paper make it possible to compensate to some extent for the changes in contrast resulting from underexposure and overexposure of the negative, thus extending the acceptable range. Reversal-type color film has considerably less exposure latitude than the negative type. Part of the small exposure latitude of reversal color films results from the requirement that the image must usually appear realistic with respect to brightness and contrast under standardized viewing conditions.
