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DELN is committed to supply our customers with high quality optical filters:

Dichroic Color Filter, 

Neutral Density Filter,

IR Cutoff Filter, 
 
Shortpass Filter, 
 
Longpass Filter, 
 
Bandpass Interference Filter
 
Colored glasses Filter, 
 
 
Also DELN can manufacturer lenses, mirrors, beamsplitters, prisms, waveplates, infrared parts, crystals, reticles, microlens array, phase plate and diffraction optics.
 
DELN is committed to supply our customers with high quality products, competitive price, on time delivery and better service.