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        Your present location:产品首页 >> PRUDUCTS >> Optical Ball Lens >> Optical Znse Ball Lens
        • Name: Optical Znse Ball Lens
        • 产品编号: Ball lens-OZBL009
        • date: 2017-09-26
        • Views : 62

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        Optical glass Dome lens cover, BK7 Dome lens cover and Sapphire Dome lens cover for CCTV  PTZ camera and underwater camera

         

        Dome windows are hemispheres. The two optical surfaces are an equal thickness apart, creating a naturally strong shape that gets tougher under pressure. This makes dome windows ideal for underwater environments and in applications such as camera dome ports and submersible windows.

        BK7 dome lens cover is used primarily in meteorology applications. BK7 offers excellent transmission from 300nm up to 2µm. BK7 is a relatively hard material, with excellent chemical durability. 
        UV fused silica glass dome lens cover: For applications operating in the deeper UV range, Worldhawk offers a range of UV fused silica domes. Fused silica domes are commonly used in underwater applications at extremely high pressures.
        Sapphire domes lens cover: For infrared applications we can provide sapphire domes. Sapphire is an extremely hard material with transmission of over 80% in the 2-5µm wavelength range. As with fused silica, sapphire is able to withstand extreme pressures, making it the perfect material for underwater camera and missile fairing applications.

         

        -General Parameters: 

        Material

        Optical glass N-BK7 , H-K9L, UV Fused Silica, Sapphire, IR crystal

        Diameter

        5mm-150mm, 150-300mm

        Diameter Tolerance

        +/-0.1mm

        Thickness

        >2mm

        Thickness Tolerance

        ±0.2~0.1mm

        Center Deviation

        3-5'

        Surface Accuracy

        1L 1/2L 1/4L or According to size

        Surface quality

        80/50 60/40

        Coating

        Both side Antireflection Coatings

        Chamfers

        0.2 x 45° typical