Definitions for iris diaphragm

This page provides all possible meanings and translations of the word iris diaphragm

Random House Webster's College Dictionary

i′ris di`aphragm(n.)

  1. (v.i.)a composite diaphragm with a central aperture readily adjustable for size, used to regulate the amount of light admitted to a lens or optical system.

    Category: Optics, Photography

Origin of iris diaphragm:


Princeton's WordNet

  1. iris, iris diaphragm(noun)

    diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening


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