About this product
Coloured Glass Filter — Band-Pass, Coated is a custom-manufactured Long-Pass Filter, produced to order at our Hangzhou workshop.
It is typically specified for Stage lights, beam lights, moving heads.
ISO certified.
No drawing yet? Send the wavelength range and the Long-Pass Filter format you need, and our engineers will propose a suitable substrate and coating stack.
A long-pass filter transmits longer wavelengths and blocks shorter ones, with the transition set by the cut-on wavelength. They are widely used to separate excitation from emission in fluorescence work.