substage

[ suhb-steyj ]

Phonetic (Standard)IPA

noun

the component part of a microscope below the stage, for supporting a condenser, mirror, or other accessories.

substage

/ ˈsʌbˌsteɪdʒ /

the part of a microscope below the stage, usually consisting of an adjustable assembly holding a condenser lens for illuminating the specimen

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First recorded in 1855–60; sub- + stage

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The shape of the aperture is a not unimportant point; it should be square to allow of free movement over the substage condenser.

If it no longer occupies the centre of the field, alter the angle of the substage mirror until it does.

Remove the substage condenser and replace it by the dark ground condenser.

The lower substage (Clevedonian) is well displayed near Clevedon in Somerset.

Adjust the substage mirror so that the light is reflected upward.

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