Description

Product Introduction
 
This is a professional 50X laser beam expander & far focus lens, designed exclusively for laser pump source and fiber laser equipment. Customizable optical effect, default tested and matched with Raycus 500W fiber laser source.
Key Features
 
50X Magnification & 70mm Large Aperture
 
50 times beam expansion, long shooting distance, stable beam output. 70mm large aperture adapts to various fiber laser output.
High Transmittance Optical Lens
 
Made of high-quality quartz glass. Adopts RF ion source assisted coating technology with 12 layers of double-sided nano wide-spectrum coating.
 
Applicable wavelength: 530nm - 1100nm, 900nm - 1100nm professional coating optional.
 
Light transmittance reaches over 99%, extremely low light loss, realize lossless light transmission for red light and green light.
Precise Focus Adjustment Structure
 
Standard M42 thread interface. 10-start thread with 1mm pitch; one full rotation moves the lens by 10mm, for smooth and accurate focusing.
Durable Aluminum Alloy Housing
 
Lens barrel made of aerospace aluminum alloy with anodized treatment. Multi-circle thread design, solid structure, wear-resistant and long service life.
Application Range
 
Matching power: 100W ~ 1000W laser pump source
 
Compatible light source: Raycus 500W fiber laser, red laser, green laser
 
Application: Laser long-distance emission, laser beam expansion, laser equipment modification

50X 70mm Aperture Variable Focus Laser Beam Expander Lens High Transmittance Coated Lens for Raycus Fiber Laser

Product form

$129.00

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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

    Product Introduction
     
    This is a professional 50X laser beam expander & far focus lens, designed exclusively for laser pump source and fiber laser equipment. Customizable optical effect, default tested and matched with Raycus 500W fiber laser source.
    Key Features
     
    50X Magnification & 70mm Large Aperture
     
    50 times beam expansion, long shooting distance, stable beam output. 70mm large aperture adapts to various fiber laser output.
    High Transmittance Optical Lens
     
    Made of high-quality quartz glass. Adopts RF ion source assisted coating technology with 12 layers of double-sided nano wide-spectrum coating.
     
    Applicable wavelength: 530nm - 1100nm, 900nm - 1100nm professional coating optional.
     
    Light transmittance reaches over 99%, extremely low light loss, realize lossless light transmission for red light and green light.
    Precise Focus Adjustment Structure
     
    Standard M42 thread interface. 10-start thread with 1mm pitch; one full rotation moves the lens by 10mm, for smooth and accurate focusing.
    Durable Aluminum Alloy Housing
     
    Lens barrel made of aerospace aluminum alloy with anodized treatment. Multi-circle thread design, solid structure, wear-resistant and long service life.
    Application Range
     
    Matching power: 100W ~ 1000W laser pump source
     
    Compatible light source: Raycus 500W fiber laser, red laser, green laser
     
    Application: Laser long-distance emission, laser beam expansion, laser equipment modification

    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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