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Diaphragm (optics)

In optics, a diaphragm is a thin opaque structure with an opening (aperture) at its center. The role of the diaphragm is to stop the passage of light, except for the light passing through the aperture. Thus it is also called a stop (an aperture stop, if it limits the brightness of light reaching the focal plane, or a field stop or flare stop for other…

History, Iris diaphragms versus other types & Overview

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Iris diaphragms versus other types

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Diaphragm (optics)

Nodes41
Edges40
Triples4
Avg. degree1.95
Density0.04878
Components1

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Important terminology

aperture diaphragm iris blades light lens lenses opening diaphragms cameras stop system see eye photography number field size modern adjustable

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
the MC Zenitar-ME1instance ofsuch as the Olympus XA or lenses0.80text
howeverinstance ofsuch as the Olympus XA or lenses0.80text
use a two-bladed diaphragm with right-angle blades creating a square aperture.Similarlyinstance ofsuch as the Olympus XA or lenses0.80text
out-of-focus points of lightinstance ofsuch as the Olympus XA or lenses0.80text

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