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NEW PCV Lens for 830nm IR Laser Diode (Beam Expander, Fiber Coupler) 6 x -12 mm, US $4100 – Picture 0
NEW PCV Lens for 830nm IR Laser Diode (Beam Expander, Fiber Coupler) 6 x -12 mm, US $4100 – Picture 0

New Pcv Lens For 830nm Ir Laser Diode (beam Expander, Fiber Coupler) 6 X -12 Mm

US $4100

  • Haifa, Israel
  • Jun 21st
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NEW Negative Lens for IR Lasers This is a Brand New lens designed for IR lasers. It is 6mm in diameter and has a focal length of -11.8mm. It is coated for 830nm and would work great together with my 1 Watt fiber coupled laser diodes. Negative focal length (concave) lenses are useful in a "telescope" arrangement together with a convex lens. This creates a beam expander that allows to create a wider laser beam. There are several advantages to a wider beam: first, it has a lower divergence. Second, and very important for laser CNC setups, is the fact that the wider the beam is when it hits the focusing lens, the smaller the spot at the focal point. A smaller focal spot means the power of the beam is concentrated in a smaller area, and the higher power density allows more powerful and accurate cutting / engraving action. Specifications: Type: Lens, negative Design Wavelength: 830 nm (IR Diode Laser) Diameter: 6.0 mm (0.236") Focal Length: -11.8 mm (-0.466") Material: BK7 This item is guaranteed non-DOA! Take a look at my other items on eBay! Terms and Conditions If you have any questions regarding this item, feel free to ask and we'll answer to the best of our knowledge. Payment through Paypal is preferred. a bank wire transfer is also possible. For other methods, please contact us directly. We ship all over the world. We've shipped countless times to the USA and Europe, and it goes smoothly and quickly. Estimated delivery time is up to 14 days. Our shipping method is EMS (Postal Service Express Mail Service) - very reliable from our experience. It has online tracking and insurance is also available for a small fee. We COMBINE SHIPPING for multiple items! this will significantly lower your shipping costs if you buy several items. Please note that any customs duties and taxes are the responsibility of the buyer - however in our experience, in many cases there is no charge. When in doubt, please consult the regulations in your country. Israel residents must pay VAT (currently 17%) as required by law.     Powered by SixBit's eCommerce Solution

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