Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. The part of a microscope located below the stage on which attachments are held in place.
Century Dictionary and Cyclopedia
- n. An attachment to the compound microscope, placed beneath the ordinary stage, and used to support the achromatic condenser, the polarizing prism, etc. It is usually arranged with a rack-and-pinion movement, centering screws, etc., by which the position may be adjusted; and in the swinging substage there is an arc-shaped arm upon which the support holding the condenser can be moved, so as to give very oblique illumination when desired.
- n. In geology, one of the subdivisions of a stage or group.
Wiktionary
- n. The stage, below the main stage of a microscope, to which attachments are fixed.
- n. A stage making up part of a larger stage.
Etymologies
- sub- + stage (Wiktionary)
Examples
“This combination is carried in a screw-centering holder known as the substage below the stage of the microscope (Fig. 40 f), and must be accurately adjusted so that its optical axis coincides with that of the objective.”
“In Handbook for Scientific Photography (1977), Alfred A. Blaker wrote: As the substage diaphragm is closed, the depth of field increases (as when you close the diaphragm of your camera lens) ...”
“Blaker wrote:As the substage diaphragm is closed, the depth of field increases as when you close the diaphragm of your camera lens...”
Depth of field, f-numbers and diffraction (or how to take a rotten photograph)
“He was explaining how to take pictures thru a microscope using a camera back and the substage diaphragm he was referring to is the one under the stage of a microscope.”
Depth of field, f-numbers and diffraction (or how to take a rotten photograph)
“The next time he went out, he didn't come back until he'd found a decent instrument; triple nose stage, substage for condenser and polarizer, good base, smooth movement, iris diaphragm, good lenses.”
“Moreover, the instrument had no substage to hold condenser or polarizer.”
“He filled the time consumed by the staining process with the ritual of aiming the microscope's substage mirror out the window at a brilliant white cloud.”
“~ -- Below the substage condenser is attached a gymbal carrying”
“If it no longer occupies the centre of the field, alter the angle of the substage mirror until it does.”
“~ The ~substage condenser~ is a necessary part of the optical outfit.”
Lists
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