Definitions for iris diaphragm

This page provides all possible meanings and translations of the word 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

GCIDE

  1. Iris diaphragm

    An adjustable diaphragm, reminiscent of the iris of the eye in its action, by which the diameter of an approximately circular opening may be controlled, as for regulating the aperture of a lens; it consists of a number of movable thin curved plates fastened at regular intervals around the inside of a ring, the positions of which are simultaneously adjusted by a single knob on the outside of the lens. It is used in cameras and microscopes.

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"iris diaphragm." Definitions.net. STANDS4 LLC, 2015. Web. 2 Aug. 2015. <http://www.definitions.net/definition/iris diaphragm>.

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