parfocal Definition
of or denoting a lens system in which all lenses remain in focus when the magnification is changed.
Using parfocal: Examples
Take a moment to familiarize yourself with how "parfocal" can be used in various situations through the following examples!
Example
The microscope has a parfocal lens that allows for easy magnification changes without losing focus.
Example
A parfocal zoom lens is useful for videographers who need to change focal lengths while filming.
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Summary: parfocal in Brief
The term 'parfocal' [pahr-foh-kuhl] describes a lens system in which all lenses remain in focus when the magnification is changed. This feature is useful for microscopes and cameras, allowing for easy magnification changes without losing focus.
