Precision Grade Windows

Precision Grade Windows

CLZ Optical Co., Ltd. offers a wide range of off-the-shelf optical windows, and customers can also customize optical windows to meet their specific needs.We offer a range of optical windows in selected materials for all scientific instrumentation applications in the UV-Vis and NIR wavelengths. We offer different grades depending on the application.


For over 10 years, our optical windows have been trusted by industries such as aerospace, military and commercial avionics, scientific and medical instrumentation, academic research and industrial applications.


Please contact our sales team.

For a quote on your custom requirements please send us your drawing or specification.

Please contact us for discount pricing for stock parts over 10+ and volume/OEM quantities

Type No. Data sheet Diameter (mm) Volume pricing ava alable for 10+,please add to quote.
BK7 Precision Windows, 75x75mm, 8mm Thick,  1/4 wave, Ravg ≤0.6% @1050-1700nm - -
BK7 Precision Windows, 75x75mm, 8mm Thick,  1/4 wave, Ravg ≤0.5% @ 630-1100nm - -
BK7 Precision Windows, 75x75mm, 8mm Thick,  1/4 wave, Ravg ≤0.5% @ 450-900nm - -
BK7 Precision Windows, 75x75mm, 8mm Thick,  1/4 wave, Uncoated - -
BK7 Precision Windows, 75mm Dia, 8mm Thick,  1/4 wave, Ravg ≤0.6% @1050-1700nm - -
BK7 Precision Windows, 75mm Dia, 8mm Thick,  1/4 wave, Ravg ≤0.5% @ 630-1100nm - -
BK7 Precision Windows, 75mm Dia, 8mm Thick,  1/4 wave, Ravg ≤0.5% @ 450-900nm - -
BK7 Precision Windows, 75mm Dia, 8mm Thick,  1/4 wave, Uncoated - -
BK7 Precision Windows, 65mm Dia, 8mm Thick,  1/4 wave, Ravg ≤0.6% @1050-1700nm - -
BK7 Precision Windows, 65mm Dia, 8mm Thick,  1/4 wave, Ravg ≤0.5% @ 630-1100nm - -
BK7 Precision Windows, 65mm Dia, 8mm Thick,  1/4 wave, Ravg ≤0.5% @ 450-900nm - -
BK7 Precision Windows, 65mm Dia, 8mm Thick,  1/4 wave, Uncoated - -
BK7 Precision Windows, 50mm Dia, 6mm Thick,  1/4 wave, Ravg ≤0.6% @1050-1700nm - -
BK7 Precision Windows, 50mm Dia, 6mm Thick,  1/4 wave, Ravg ≤0.5% @ 630-1100nm - -
BK7 Precision Windows, 50mm Dia, 6mm Thick,  1/4 wave, Ravg ≤0.5% @ 450-900nm - -
BK7 Precision Windows, 50mm Dia, 6mm Thick,  1/4 wave, Uncoated - -
Square Precision window, 35x25mm, 6mm Thick, 450-900nm Ravg < 0.5% Single Sided coated, BK7 Precision Windows - -

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Diameter (mm)

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