focusing lens
Light-gathering glass piece
A focusing lens is an optical element that concentrates light rays to a single point or adjusts the sharpness of an image.
In cameras and projectors, the focusing lens brings subjects into clear view: She adjusted the focusing lens until the distant mountains became sharp.
The term appears in photography, microscopy, and laser equipment.
- convergeMeet at a point
- magnifyIncrease perceived size
- magnifying glassHandheld lens for enlargement
- glassTransparent solid from sand
- reading glassesCorrective lenses for close-up
optics · beam · laser beam · concentrate · clarity · aperture · refract · optical zoom · zoom · sharpen · light · light rays · camera · eyepiece · telescope · microscope · prism · depth
optical mechanism
focusing lensconcave mirror
Inward-curved reflecting surface
parabolic mirror · mirror · reflector · curved mirror · flat mirror
focusing, lens, focus, focuses, focused, unfocused, focal, lenses, lensed