UNI Optics Co., Ltd.

1.What is BK7 window?

N-BK7 Windows are a Schott borosilicate material used in optical applications from the visible to the NIR. BK7 window has good performance over visible and near IR spectrum for most applications.

2.What’s the advantage of BK7 window?

Clear, uniform color

Nearly free of bubbles and inclusions

A high degree of pur... Read more...

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Changchun Sunday Optics Co., Ltd.

Sunday Optics is specialized in the processing of precision optical window,We have four-axis polishing machine, large-size ring polishing machine, two-axis machine to manufacture high precison windows for customers. Read more...

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Suzhou Jiujon Optics Co., Ltd

Material : H-K9L/B270/Fused Silica/BF33

Size Range : ¢3-320mm

Size Tol : ±0.05mm

Thickness Tol : ±0.05mm

Parallelism : < 30 arcsecond

Surface quality : 10/5

Surface Flatness : L/4

Chamfer : 0.2mm*45°

Shape: make to order Read more...

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Suzhou Jiujon Optics Co., Ltd

Material : H-K9L/B270/Fused Silica/BF33

Size Range : ¢3-320mm or 3-260mm

Size Tol : ±0.05mm Thickness Tol : ±0.05mm

Parallelism : < 1 arcmin

Surface quality : 10/5 Surface Flatness : L/4

Chamfer : 0.2mm*45° Read more...

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Suzhou Jiujon Optics Co., Ltd

Types:

  • Telescope Reticules
  • Measurement Reticules
  • Astronomical Reticules
  • Medical Instrument Reticules
  • Grating
  • Resolution Plates
  • Reflective and Transmissive Holographic Gratings
Read more...

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