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 ...
A beam splitter is an optical device that splits a beam of light in two. It is the crucial part of most interferometers. In its most common form, a cube, it is made from two triangular glass prisms which are glued together at their base using ...
A shortpass (SP) filter is an optical interference or coloured glass filter that attenuates longer wavelengths and transmits (passes) shorter wavelengths over the active range of the target spectrum (usually the ultraviolet and visible region). ...
A longpass (LP) filter is an optical interference or coloured glass filter that attenuates shorter wavelengths and transmits (passes) longer wavelengths over the active range of the target spectrum (ultraviolet, visible, or infrared). Longpass ...
COT provides prisms with various type and cemented prisms. The precision achieved 2" for 90° and 10" for 45° angle. Customers could have versatility for different type prism choices with various coating from our ultimate service. The ...
| 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 |
