Frequently Asked Questions

These filters are widely used in optical instrument, industrial measurement, environment protection, and many other applications.

We offer standard bandpass filters with wavelengths of 475nm, 505nm, 515nm, 650nm, 850nm, and 950nm.

Yes, we can customize the dimension and coating index according to customer requirements.

We offer short filter, long pass filter, and band pass filter.

We can send samples for testing very fast.

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