Focal Length (Noun)
Meaning
The distance from a lens to its focus.
Classification
Nouns denoting attributes of people and objects.
Examples
- The focal length of the camera lens determined the amount of zoom it could achieve.
- Understanding the focal length of a microscope's lens is crucial for precise specimen observation.
- Photographers often experiment with different lenses to achieve their desired focal length for optimal image quality.
- In a telescope, the focal length of the objective lens affects the instrument's overall magnification power.
- Optometrists consider the focal length of corrective lenses when prescribing eyeglasses for patients.