noun
- The property of an optical system (especially a microscope) in which different objective lenses are positioned so that they remain in focus at the same distance from the specimen when changed.
Usage: technical; microscopy; plural form of parfocality
Examples
- The microscope's parfocalities allow researchers to switch between objectives without refocusing.
- Modern microscopes are designed with parfocalities to improve workflow efficiency.
- The parfocalities of the lens system ensure consistent imaging across different magnifications.