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Medical Dictionary

parfocal

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adjective par·fo·cal \(ˈ)pär-ˈfō-kəl\

Medical Definition of parfocal

  1. :  having corresponding focal points all in the same plane :  having sets of objectives or eyepieces so mounted that they may be interchanged without varying the focus of the instrument (as a microscope) with which they are used

  2. par·fo·cal·i·ty \-fō-ˈkal-ət-ē\play noun, plural par·fo·cal·i·ties




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