Description

Power does not exceed 50W

This adjustable laser focusing lens adopts premium K9 optical glass & 6061 aluminum alloy housing with SMA905 fiber connector. Three optional working wavelength ranges to match different laser sources, light transmittance over 97%. The output spot diameter is continuously adjustable from 5mm to 30mm at 130mm working distance, and the irradiation distance can be customized as required. Widely used for fiber coupled laser collimation & focusing application.
Item Specification
Optical Material K9 Optical Glass
Available Wavelength 400~700nm / 650~1100nm / 1100~3000nm (custom per your laser wavelength)
Connector Type SMA905
Transmittance ＞97%
Housing Material 6061 Aluminum Alloy
Output Spot Size 5~30mm adjustable @ 130mm working distance (working distance customizable)
Overall Dimension Φ39mm, Max Length:117mm
Protective Window Φ34mm, Thickness:3mm


✅ 3 optional wavelength bands to match various laser sources

✅ Continuously variable spot size: 5~30mm at fixed working distance

✅ High transmittance＞97% with precision K9 coated lens

✅ Durable 6061 aluminum alloy anodized barrel, compact Φ39mm body

✅ Standard SMA905 fiber interface, easy installation for fiber laser module


  1. The 130mm default working distance can be modified according to customers’ actual application demands.
  2. Spot adjustment performance is similar across all applicable laser wavelengths, demo tested with 650nm laser.

Adjustable Spot Size SMA905 Fiber Laser Focus Lens | K9 Glass 3 Optional Wavelength Bands Variable Beam Collimating Lens

Product form

$350.00

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    • Shipped today? Order within: Jun 05, 2026 23:59:00 -0500
    • Free shipping on all orders above 500
    • No hassle returns, 30 days return

    Description

    Power does not exceed 50W

    This adjustable laser focusing lens adopts premium K9 optical glass & 6061 aluminum alloy housing with SMA905 fiber connector. Three optional working wavelength ranges to match different laser sources, light transmittance over 97%. The output spot diameter is continuously adjustable from 5mm to 30mm at 130mm working distance, and the irradiation distance can be customized as required. Widely used for fiber coupled laser collimation & focusing application.
    Item Specification
    Optical Material K9 Optical Glass
    Available Wavelength 400~700nm / 650~1100nm / 1100~3000nm (custom per your laser wavelength)
    Connector Type SMA905
    Transmittance ＞97%
    Housing Material 6061 Aluminum Alloy
    Output Spot Size 5~30mm adjustable @ 130mm working distance (working distance customizable)
    Overall Dimension Φ39mm, Max Length:117mm
    Protective Window Φ34mm, Thickness:3mm


    ✅ 3 optional wavelength bands to match various laser sources

    ✅ Continuously variable spot size: 5~30mm at fixed working distance

    ✅ High transmittance＞97% with precision K9 coated lens

    ✅ Durable 6061 aluminum alloy anodized barrel, compact Φ39mm body

    ✅ Standard SMA905 fiber interface, easy installation for fiber laser module


    1. The 130mm default working distance can be modified according to customers’ actual application demands.
    2. Spot adjustment performance is similar across all applicable laser wavelengths, demo tested with 650nm laser.

    Returns & Delivery

    When will my order be delivered?

    We ship worldwide. Your order will be packaged really carefully and delivered wherever you want. Delivery takes between 10-20 business days. You will receive an e-mail after ordering with more information about the delivery.

    Can I return my product?

    Orders can be returned or exchanged within 30 days of receiving the parcel, providing they are in original resalable condition.

    What can I do if my item (or part of it) is damaged?

    We work hard to deliver your items without damage. Orders can be returned or exchanged within 30 days of receiving the parcel, providing they are in original resalable condition.

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