from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The condition of being parfocal.


Sorry, no etymologies found.


  • 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

  • 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.

    MyLinkVault Newest Links

  • "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


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