Dictionary Suite
Multi-word Results
contact lens a thin, usu. plastic lens, clear or tinted, that is worn over the cornea of the eye to correct imperfect 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.