parfocal
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.par·fo·cal
adjective \ˌpär-ˈfō-kəl\Definition of PARFOCAL
: being or having lenses or lens sets (as eyepieces) with the corresponding focal points all in the same plane
— par·fo·cal·i·ty \ˌpär-fō-ˈka-lə-tē\ noun
— par·fo·cal·ize \ˌpär-ˈfō-kə-ˌlīz\ transitive verb
Origin of PARFOCAL
Latin par equal + English focal
First Known Use: circa 1886
par·fo·cal
adjective \(ˈ)pär-ˈfō-kəl\ (Medical Dictionary)Medical Definition of PARFOCAL
: 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
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