Cylindrical lenses have at least one surface that is formed like a portion of a cylinder. Cylindrical lenses are used to correct astigmatism in the eye, and, in rangefinders, to produce astigmatism, stretching a point of light into a line. Some ...
Condenser lenses concentrate light into a projected beam. Used in projectors, enlargers, spotlights, and photo cell systems, they are usually mounted in pairs so that their convex surfaces are nearly in contact.
Fresnel lenses are flat rather than thick in the center and can be stamped out in a mold. Fresnel lenses are commonly used on spotlights. Lamps equipped with this lens are called Fresnels. Fresnel lenses can be positive or negative. A positive ...
Micro lenses are small lenses, generally with diameters less than a millimetre (mm) and often as small as 10 micrometres (μm). The small sizes of the lenses mean that a simple design can give good optical quality but sometimes unwanted effects ...
1. Lens types include plano-concave, plano-convex, biconvex, biconcave, meniscus, cemented, and cylindrical lenses. 2. They could be used on telescope, binoculars, collimator, optical transceiver, magnifier, alignment instrument, scanner, ...
| Company Name : | Control Optics Taiwan Inc. |
|---|---|
| Contact Person : | Mr. Jack Yeh  |
| Address : | No.16, Lane 317, Youping Street, Kao-Jun |
| Country : |  Taiwan |
| Telephone : | 886-3-4961737 |
| Fax : | 886-3-4961757 |
