noun mi·cro·prism \ˈmī-krə-ˌpri-zəm\

Definition of MICROPRISM

:  a usually circular area on the focusing screen of a camera that is made up of tiny prisms and that causes the image in the viewfinder to blur if the subject is not in focus

First Known Use of MICROPRISM



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May 24, 2015
erudite Hear it
learned or pedantic
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