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parfocal

play
adjective par·fo·cal \ˌpär-ˈfō-kəl\

Definition of parfocal

  1. :  being or having lenses or lens sets (as eyepieces) with the corresponding focal points all in the same plane

par·fo·cal·i·ty play \ˌpär-fō-ˈka-lə-tē\ noun
par·fo·cal·ize play \ˌpär-ˈfō-kə-ˌlīz\ transitive verb


Origin of parfocal

Latin par equal + English focal


First Known Use: circa 1886


Medical Dictionary

parfocal

play
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




Learn More about parfocal

  1. Medical Dictionary: Definition of "parfocal"


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