Lens product revelation
  Prism product revelation
  Windows product revelation
  Filters product revelation
  Mirrors product revelation
  Reticle product revelation
  Beasmplitter product
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  15th November 2007 - American delegation will visit our company.

17th December 2007 - X&Y Optics New Tech Meeting

 
 


Birefringent Filters

Specifications:
Material Crystal quartz
Parallelism <5 arc seconds
Surface Quality 20-10 scratch and dig
Diameter Tolerance +0.0,-0.2mm
Clear Aperture 90% of the central area
Thickness Tolerance \0.02mm
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Tel: 0086 431 85889130 Fax :0086 431 85889120 Email: china@xyoptics.com