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Knight Optical
Roebuck Business Park
Harrietsham, Kent ME17 1AB

Full Company Details
Phone: 44 1622 859444
Fax: 44 1622 859555
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Knight Optical

  • Type: Windows
  • Diameter / Dimension: 5mm - 300mm
  • Applications: Astronomy, Industrial, Military, Scientific Research, Other
  • Dimensional tolerances (mm): +/-0.05
  • Max. strength variation* (diopters): +/-0.2
  • Surface figure (fr.): < 10(5)
  • Concentricity (mm): < 0.05

Scratch/Dig < 20:10

Dome windows are hemispheres. The two optical surfaces are an equal thickness apart. This lends itself to a naturally strong shape under high pressure and makes dome windows ideal for viewport applications such as underwater cameras/submersibles. Typically, material used will depend on the working wavelength of the application with BK7, UV fused silica and sapphire being used.
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