Lens
Of optical device and optical instrument. May also be referred to as lens system and lense.
A transparent optical device used to converge or diverge transmitted light and to form images.
This concept's ID is @1~19874
Optical Telescope
- eyepiece
Combination of lenses at the viewing end of optical instruments.
- objective
The lens or system of lenses in a telescope or microscope that is nearest the object being...
Also contains
- camera lens
A lens that focuses the image in a camera.
- compound lens
A lens system consisting of two or more lenses on the same axis.
- converging lens
Lens such that a beam of light passing through it is brought to a point or focu...
- condenser
Lens used to concentrate light on an object.
- crown lens
A lens made of optical crown glass.
- diverging lens
A lens such that a parallel beam of light passing through it is caused to diverge...
- meniscus
(optics) a lens that is concave on one side and convex on the other.
- Fresnel lens
Lens composed of a number of small lenses arranged to make a lightweight lens of large...
- field lens
The lens that is farthest from the eye in an optical device with more than one lens.
- intraocular lens
An artificial lens that is implanted into the eye of someone to replace a damaged...
- monocle
Lens for correcting defective vision in one eye; held in place by facial muscles.
- anastigmat
Compound lens or lens system designed to be free of astigmatism and able to form approximately...
- anastigmatic lens
A lens designed to correct astigmatism.
- contact
A thin curved glass or plastic lens designed to fit over the cornea in order to correct...