Long pass filter allow the longer wavelength throught, and cut off the shorter wavelength.These filter mainly used in Beauty equipment, police multiband testing instruments, strong light flashlight, stage lighting shade, four-wheel, iris recognition system, face recognition attendance device, optical instruments.
450nm Long Pass Filter
780nm Long Pass Filter
650n Long pass filter
We have low-speed polishing machine and high-speed polishing machine
More than 3000 kinds of raduis toolings
6 coating machine
Surface Quality Testing
Zygo Testing Surface Flatness
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