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Nick BeatrizCollee21
Vorname Beatriz
Nachname Collee
Geschlecht weiblich
Geburtstag (Alter) 11.07.1990 (27)
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Registriert 17.05.2017 um 00:56 Uhr
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Cylindrical lenses are lenses that focus light onto a-line and never an individual point, as the spherical lenses do.
The curved faces of the lens are segments of the cylinder that focus the incoming light on a single dimension evoking the image to stretch. Cylindrical lenses can be utilized to correct ocular astigmatism. Since the lenses are nonspherical, there's a reduction in chromatic and spherical aberration.


Some common mirror of the cylindrical lens include bar code scanning, computer, dye lasers, laser emission, linear detector lighting and optical information-processing. In a light sheet microscope, the lenses are placed in front of the objective, creating a light sheet that is useful for imaging.

Cylindrical lens functions

Cylindrical lenses are stated in unique radius plus a number of specs. Different glass materials used contain Ohara, Schott, Fused Silica, CDGM, ZnS, ZnSe and CaF2. A cylindrical lens might be classified as specific and ordinary. The ordinary class incorporates biconvex cylindrical lens, biconvex cylindrical lens, planoconvex cylindrical lens, plano-concave cylindrical lens, meniscus cylindrical lens and double concave cylindrical lens.

Special cylindrical lenses incorporate cylindrical ellipsoidal mirror, parabolic mirrors, achromatic cylindrical lens and double-curved cylindrical lens. Achromatic cylindrical lens diminishes the chromatic aberration therefore offering extra color correction.

Cylindrical lens might be specially-made to generally meet the client’s sophisticated shape needs. They are able to have rectangular, circular or oblong dimensions. Ultraviolet and infrared quartz antireflection coating options can be found for cylindrical lenses.
Substrate materials used contain Ohara, Schott, CDGM, JGS1, Corning Fused Silica and JGS2.

Factory standards

Dimension tolerance: +0/-0.30
Radius tolerance: +0/-0.3%
Center thickness tolerance: +/-0.03
Surface quality: 40-20
Centration (arc minute): 3’
Irregularity (Cylindrical Surface): 1/4Lambda
Irregularity (Plano Surface): 1/8Lambda

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