BK7 fused silica dome lens/hemisphere dome

详情

  Specification of hemisphere dome we could supplied as follow:
Materials:BK7 glass,UV fused silica etc., various types of  optical glass.    
Diameter: from *0 to **0 mm. 
Diameter Tolerance: 0.1 mm, standard; 0.*1 mm - attainable. 
Surface Quality: *0/*0 Scratch/Dig ,standard;*0/*0 Scratch/Dig, attainable depending on material type and combination of other parameters. 
Power/Irregularity: 5/1 (interference fringes),standard; 0.5/0.1 (interference fringes), attainable depending on material type and combination of other parameters. Aperture *0 deg. 
Decentration: 0.*5mm,standard; 0.*1 ,attainable.
  The dome lens/hemisphere dome we manufactured be used to protect the lens of underwater camera,which could resist the pressure of water,and give a best view field to catch picture.