Technical parameters: Wavelength 632.8nm, Focal length tolerance  ± 1% , Diameter tolerance + 0.0/ -0.1mm, Thickness tolerance  ± 0.1mm, Surface accuracy  » / 4, Surface quality 40-20, Centration ....
Jilin Tianhua Opto-electrical Technology Development Co., Ltd., production and sale of precise optical elements. Our company locates in Changchun City, Jilin Province, the optical base of China. We....
Jilintianhua offers standard and high precision optical glass windows in round , rectangular and custom shape and size with different optical glasses. The high precision parallelism of 10 arc seconds....
Mirrors Flat Metallic Mirrors Flat Dielectric Mirrors Spherical Mirrors Right Angle Reflector Beam Splitters Front surface mirrors are coated with aluminum or dielectrics for maximum reflection....
Optical filters allow a portion of the spectrum to pass ( transmit) while blocking the remainder.Based on different application filters come in many levels of performance and also known as Color....
Optical lense is a precision optical component for camera, video camera, telescope, film projector. duplicator, microscope and other observation instruments. The applications of optical lenses. It is....
The plano-concave lenses are made from various material, which are manufactured with one concave surface and one plane surface. These lenses have negative focal lengths. These lenses diverge....