The word lens is a noun. Lens means (1) a transparent optical device used to converge or diverge transmitted light and to form images, (2) electronic equipment that uses a magnetic or electric field in order to focus a beam of electrons, (3) biconvex transparent body situated behind the iris in the eye; it focuses light waves on the retina, (4) (metaphor) a channel through which something can be seen or understood.
The following articles and web pages elaborate on the word lens.
- Lens Filters
A lens may be the most important part of a camera, because it forms and focuses photographic images. A filter, affixed in front of a camera lens, can help protect the lens from damage.
- Contact Lenses
Browse this contact lenses retailer directory for information about contact lens retailers in the United States. The photo on this web page depicts a young woman inserting a contact lens into her eye.
- Camera Lenses
A lens is an important and essential part of any camera. Learn about different types of camera lenses and find links to camera shops in each state.
- Digital Camera Lenses
Digital cameras enable photographers to quickly shoot quality photos with various lenses. This page includes a discussion of camera lenses and links to selected camera lens manufacturers.
- Eyeglass Lenses
Eyeglass lenses correct refractive errors in vision. Lenses may be for nearsightedness or farsightedness; they may be unifocal, bifocal, or trifocal.
- Spotting Scopes
Spotting scopes are telescopes with a large objective lens used for bird watching, hunting, and astronomy. Two main types are straight-through and angled.
The following digital image illustrates the word lens.
The following articles provide recent lens
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