parfocal in a sentence
a.
📚 Grade Level: Grade 12
Definition
Parfocal refers to the characteristic of an optical system, such as a microscope or lens, that allows different focal lengths to remain in focus when switching between them.
Crossword clues for parfocal
Crossword clue ideas and answer hints for the word "parfocal".
- Lenses that maintain focus at different distances.
- Microscope feature for easy switching of objectives.
- Optical quality that keeps images sharp when changing focus.
- Characteristic allowing clear viewing at varying focal lengths.
- Design that prevents refocusing while changing magnification.
Parfocal sentence examples
- The microscope was designed to be parfocal, allowing for easy switching between objectives without needing to refocus.
- In photography, parfocal lenses maintain focus even when zooming in or out, making them ideal for capturing dynamic scenes.
- The telescope's parfocal setup ensured that once an object was in focus with one eyepiece, it remained sharp with others of different magnifications.
- During the lab demonstration, the instructor emphasized the benefits of using parfocal optics for efficient viewing of specimens.
- For videographers, using a parfocal lens can significantly streamline the filming process by reducing the need for constant adjustments to focus.