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B270 BK7 Glass Optical Plano Lenses for Consumer Electronics

    Buy cheap B270 BK7 Glass Optical Plano Lenses for Consumer Electronics from wholesalers
     
    Buy cheap B270 BK7 Glass Optical Plano Lenses for Consumer Electronics from wholesalers
    • Buy cheap B270 BK7 Glass Optical Plano Lenses for Consumer Electronics from wholesalers
    • Buy cheap B270 BK7 Glass Optical Plano Lenses for Consumer Electronics from wholesalers
    • Buy cheap B270 BK7 Glass Optical Plano Lenses for Consumer Electronics from wholesalers
    • Buy cheap B270 BK7 Glass Optical Plano Lenses for Consumer Electronics from wholesalers

    B270 BK7 Glass Optical Plano Lenses for Consumer Electronics

    Ask Lasest Price
    Brand Name : LONGWAY
    Model Number : LW1609208509
    Certification : ISO9001
    Price : Negotiation
    Payment Terms : T/T,Western Union,D/P
    Supply Ability : 35000 Piece/ Month
    • Product Details
    • Company Profile

    B270 BK7 Glass Optical Plano Lenses for Consumer Electronics



    B270 BK7 Glass Optical Plano Lenses for Consumer Electronics


    1. Material

    • Core Substrate: Precision-cut optical-grade glass – B270® superwhite crown glass (cost-effective, high clarity) and BK7 borosilicate glass (superior homogeneity, low bubbles).

    • Coatings: Optional AR (Anti-Reflective), IR cut, or hard coatings for enhanced performance.


    2. Key Properties

    • Surface Quality: λ/2 flatness tolerance, 60-40 scratch-dig standard (80-50 optional).

    • Transmission: >91% (B270) and >92% (BK7) across 400–700nm visible spectrum.

    • Thermal Stability: BK7: Low CTE (7.1 × 10⁻⁶/K); B270: Higher thermal expansion but lower cost.

    • Durability: Mohs hardness 6–7 (scratch-resistant), chemical-resistant surfaces.

    • Precision: Tight thickness (±0.02mm), diameter (±0.05mm), and parallelism (<5 arcmin) control.


    3. Primary Function

    • Light Transmission: Maximizes undistorted light passage for sensors/displays.

    • Protective Barrier: Shields sensitive electronics from dust, moisture, and physical damage.

    • Beam Splitting/Filtering: Acts as substrate for coated optics (e.g., dichroic filters).

    • Optical Reference: Provides flat windows for interferometry or alignment.


    4. Critical Applications

    • Smartphones/Tablets:

      • Camera lens cover glass

      • Proximity/ambient light sensor windows

      • Fingerprint scanner covers

    • Wearables:

      • AR/VR headset lenses

      • Smartwatch health sensors

    • Imaging Devices:

      • Barcode scanner windows

      • DSLR/mirrorless filter mounts

    • Home Electronics:

      • Smart speaker microphone covers

      • Motion detector optics

    • Displays:

      • Touch panel overlays

      • OLED/LCD protective covers

    NamePlano Convex Lens

    Material

    Optical Glass,borosilicate glass,Fused Silica,
    Diameter Tolerance+0/-0.2 mm
    Thickness Tolerance+/-0.2 mm
    Cler Apertureover 90%
    Surface Quality80/50~10/5
    Transmissionabove 92%
    Chamfer0.1-0.3 mm x 45 degree
    Focal Length Tolerance+/-2%
    Back Focal Length Tolerance+/-2%
    Coatingavailable
    Usageoptical system, photographic sysem, Lighting system,laser,camera,monitor,projector,magnifier,telescope, etc.











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