Cut-off Filter It can filter out all long or short wavelength and only keep the range of band which is required.It includes two types, Shortpass Cut-off Filter and Longpass Cut-off Filter.The....
Changchun Bobang Technology CO., LTD, is located in the Basement of China Optics Changchun, is a optical enterprise which integrates design, production and sales, it has a long production history....
Color Filter Color filter can change the color of the light permeating it. One of its marked characteristics is the absorption for light, especially the selective absorption for the specific....