Positive Cylindrical Lens - JS

1.Dimension:2mm to 500mm, 2.Corrosion resistant,in high pressure situation, 3.S/D:40/20, 4.Coatings are availble - more info check here: http://www.buymeasuringtools.com/Positive-Cylindrical-Lens-10310355/

Quick Brief

Place of Origin: Jilin China (Mainland) Brand Name: JF Model Number: JS Material: Glass Usage: Optical Structure: plano Shape: Cylindrical

Product Features:

1.Dimension:2mm to 500mm

2.Corrosion resistant,in high pressure situation

3.S/D:40/20

4.Coatings are availble

Business Terms:

Port: Changchun

Minimum Order Quantity: 10 Piece/Pieces

Supply Ability: 800000 Piece/Pieces per Month

Payment Terms: T/T,paypal

Contact Supplier

Specifications and Product Details:

Cylinders Manufacturing Tolerances:

cylindrical lens is a lens which focuses light which passes through on to a line instead of on to a point, as a spherical lens would. The curved face or faces of a cylindrical lens are sections of a cylinder, and focus the image passing through it onto a line parallel to the intersection of the surface of the lens and a plane tangent to it. The lens compresses the image in the direction perpendicular to this line, and leaves it unaltered in the direction parallel to it (in the tangent plane).

Cylindrical lenses can be used to correct ocular astigmatism, although toric lenses are more commonly used. They can also potentially be used in solar water heating installations, such as a plastic pillow-type solar water heater. They are used to correct the output from diode lasers, to produce a round beam from the diode's elliptical output.

Material	BK7, FS, UVFS, CaF2, ZnSe, Si, Ge
Diameter Tolerance	+0.0, -0.15 mm
Thickness Tolerance	+/-1.0 mm
Focal Length Tolerance	+/- 3%
Centration	<3 arc minutes
Clear Aperture	>90%
Chamfer	0.25 mm at45o
Surface Figure	L/4 at632.8 nm
Surface Quality	40-20 scratch & dig
Design wavelength	632.8 nm