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Highlighted Companies

Bk7 Window - China

price: contact company for price

BK7 window has good performance over visible and near infrared wavelength region, is ideal for applications require minimal transmitted beam deviation.

It is suitable for AR coating .

Specifications of BK7 Optical Windows:

Material: BK7 grade A optical glass

Bevel: <0.25mm X 45°

Coating: Optional (Uncoated, AR, HR, PR, Coating, etc.

)

Standard High Precision

Dimension Tolerance +0.0/-0.1 +0.0/-0.02

Thickness Tolerance ±0.1 ±0.005

Surface quality: 60-40 10-5

Clear Aperture >85% >95%

Flatness(per 25mm@633nm) λ /2 λ /10

Parallelism 3 min 3 sec


Company Contact:


  • Phone: +86 635 2952 888

  • Address: North-South 1st Road, Xiangguang Economic Development Zone, Yanggu, Liaocheng , Shandong , China

  • Email: Email


Published date: June 24, 2026

  • Business Description: Shandong Yanggu Constant Crystal Optics, Inc was established in April 2006, located in Xiangguang economic development zone, Yanggu County, Shandong Province.

    We are specialized in researching, producing and selling optics and optical components.

    Our main products include optical window, prism, lens, beamsplitter, filter, wedge, blanks and etc.

    We also provide customized service according to customer requests.

    Our Products

    Optical Glass Filters

    Optical Glass Lenses

    Optical Glass Prisms

    Optical Glass Window

    Optical Glass Mirrors

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