5X Adjustable Focus Laser Beam Expander – Stainless Steel Housing, Large Lens, High Transmittance AR Coating for Visible Wavelen

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Description: This 5x adjustable focus laser beam expander is designed for precision beam expansion across the entire visible spectrum. The housing is made of high-quality stainless steel, ensuring ruggedness and long-term reliability. It features a large-diameter lens with a high-transmittance anti-reflection coating optimized for visible light, delivering outstanding light output efficiency. The expander is compatible with flashlights that have a starry sky interface (common standard for attaching beam expanders). Whether you need to expand red, green, blue, or any other visible laser beam, this unit provides clean, adjustable 5x magnification with a smooth focus mechanism. Specifications: Expansion Ratio: 5X Focus Adjustment: Yes (rotatable ring for fine-tuning) Housing: Stainless steel Lens Coating: Multi-layer AR coating for visible band (high transmittance) Interface: Starry sky type (fits corresponding flashlight threads) Application: Visible laser beam expansion (all wavelengths) Features: Magnification: 5 times, adjustable focus Housing Material: Precision-engineered stainless steel, durable and corrosion-resistant Compatibility: Fits flashlights with a starry sky interface (common mounting type for beam expanders) Lens: Large diameter, high-efficiency anti-reflection coating for visible spectrum (400–700nm) Light Output: High transmission rate, low loss, excellent beam expansion efficiency Wavelength Range: Suitable for all visible wavelengths – works with red, green, blue, and other visible lasers

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How to choose the correct size:

Step 1 Please measure your foot length carefully.

Step 2 Please choose the correct size according to your foot length and chinese size.

For example, If your foot length is 255 mm , you should choose the size 8.

Step 3 If you\'re not sure of the correct size, you can click chat with us!

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5X Adjustable Focus Laser Beam Expander – Stainless Steel Housing, Large Lens, High Transmittance AR Coating for Visible Wavelen
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