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Glossary
M
Macro
lens:
A lens designed for taking close-up pictures.
Main
light: The principle source
of light in a photograph, particularly in a studio setup, casting
the dominant shadows and defining the texture and volume of the
subject. Also called key light.
Manual
exposure: A nonautomatic
mode of camera operation in which the photographer sets both the
speed and the aperture.
Manual
flash: A nonautomatic mode
of camera operation in which the photographer controls the exposure
by adjusting the size of the camera aperture.
Mat:
A cardboard rectangle with an opening cut in it that is placed over
a print to frame it. Also called an overmat.
Mat
knife: A short knife blade
(usually replaceable) set in a large, easy-to-hold handle. Used
for cutting cardboard mounts for prints.
Matte:
Describes a printing paper with a relatively dull, non-reflective
surface. Opposite: glossy.
Middle
gray: A standard average
gray tone of 18 percent reflectance. See also gray
card.
Midtone:
An area of medium brightness, neither a very dark shade nor a very
bright highlight. A medium gray tone in a print.
Modeling
light: A small tungsten
light built into some flash units. It helps the photographer judge
the effect of various light positions because the duration of flash
light is too brief to be judged directly.
Mottle:
A mealy gray area of uneven development in a print or negative.
Caused by too little agitation or too little time in the developer.
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