Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun The condition of being
parfocal .
Etymologies
Sorry, no etymologies found.
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Examples
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Professional-grade microscopes provide adjustments for both parfocality and parcentrality, but student - and hobbyist-grade microscopes are set at the factory and cannot be adjusted by the user.
MAKE Magazine 2009
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The nosepiece of the compound trinocular microscope have a quadruple revolving nosepiece is mounted on a dustproof ball-bearing raceway with positive click stops and rubber ring for easy rotation; special system assures correct positioning of objectives for parfocality and parcentricity.
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The nosepiece of the compound trinocular microscope have a quadruple revolving nosepiece is mounted on a dustproof ball-bearing raceway with positive click stops and rubber ring for easy rotation; special system assures correct positioning of objectives for parfocality and parcentricity.
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"We therefore undertook to develop a flexible c-mount adapter that would allow for motion in three axes and allow for parfocality and parcentrality while being durable.
ThomasNet News - Today's New Product News ThomasNet News 2010
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