adjective
- (of a microscope or optical instrument) adjusted so that different objective lenses remain in focus at approximately the same distance from the specimen when changed
Usage: technical; microscopy
Examples
- The parfocalized microscope allowed the researcher to switch between objectives without refocusing.
- Modern laboratory microscopes are typically parfocalized for convenience and efficiency.
- A parfocalized optical system saves time when examining specimens at different magnifications.
- The microscope's parfocalized design reduced the need for constant adjustment during observation.