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Multi-word Results
contact lens |
a thin, plastic lens that is worn on the eyeball to correct vision or change the color of the eyes. |
crystalline lens |
a transparent, biconvex, lenslike body in the eye, between the iris and the vitreous humor, that focuses light on the retina. |
electron lens |
an electric or magnetic field, or a combination of the two, that is used to focus or deflect an electron beam. |
fisheye lens |
a wide-angle camera lens that covers a full 180 degrees, producing images characterized by peripheral distortion and dramatically foreshortened perspective. |
Fresnel lens |
a thin and relatively flat optical lens made of many stepped concentric rings, and having the properties of a thicker, more concave lens. |
wide-angle lens |
a camera lens that covers an angle of view of forty-five degrees or more. |
zoom lens |
a camera lens assembly that can be quickly adjusted to provide varying degrees of magnification with no loss of focus. |
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