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Flat mirrors

Specifications in accordance to ISO 10110 or MIL-PRF-13830B


  • Round
  • Rectangular
  • Elliptical
  • Special shape

Substrate materials

  • N-BK7 or equivalent
  • Fused Silica
  • Floatglass / Borosilicate glass
  • Glass ceramics (Zerodur, Clearceram, etc.)
  • Silicon
  • Other materials on request


Length up to 3200mm, diameters up to 800mm

Surface flatness

Up to λ/10 @ 632.8nm

Surface quality

5/ 3x0.063 according to ISO 10110-7 or S-D 10-5 according to MIL-PRF-13830B


Up to 1 arc sec


Metallic or high reflective dielectric coatings (refer to section optical coatings)