We supply camera color filter lens. camera filters lenses are designed by their manufacturers to transmit or absorb different wavelengths of light. And they are widely used in scientific experiments and industrial applications where that change is necessary. Color separation filter,neutral density filter,filter,short/long wave pass filter,bandpass filter and interference filter specification of our color filter as follow:material:filter glass,bk7dimension: 4mm-160mm - 0. 20mmsquares/rectangles:1mm-165mmthickness:0. 5mm-4mm thickness tolerance:+/-0. 01mm-0. 1mmparalism: up to 3 arc minutesedges:fine ground flatness:up to lambda/10surface quantity: 80/50-20/10 scratch/dig