verb
- to adjust (optical instruments, especially microscope objectives) so that they remain in focus when interchanged without refocusing
Usage: technical; microscopy
Examples
- The microscope objectives are parfocalized to allow quick switching between magnifications.
- Modern microscopes parfocalize their lenses so that specimens stay in focus during objective changes.
- The technician parfocalizes the equipment before beginning the detailed examination.
- These objectives are parfocalized at the factory to ensure precision in laboratory work.