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A: "40" usually refers to the diameter in millimeters, and "5" can indicate the lens thickness or focal length, depending on the context. Always confirm the unit with the supplier.
A: Materials like ZnSe (Zinc Selenide) are used for CO lasers, while BK7 or quartz might be used for visible or fiber lasers. The choice depends on the wavelength of the laser beam.
A: Yes, if it is made of ZnSe and has a proper anti-reflective coating for 10.6 m wavelength, it can be used with 100W CO lasers. Ensure it matches your machine's power rating.
A: If "5" refers to the focal length, then it's 5 mm. However, this is a very short focal length, which may be used for very fine engraving. Verify specifications with the manufacturer.






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Price 250.0 INR / Piece
Minimum Order Quantity : 1 Piece
Weight (kg) : 15 Gram (g)
Color : TRANSPERENT
General Use : INDUSTRIAL
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Minimum Order Quantity : 1 Piece
Weight (kg) : 20 Gram (g)
Color : transperent
General Use : industrial
Product Type : laser lens
Price 7000.0 INR / Piece
Minimum Order Quantity : 1 Piece
Weight (kg) : 15 Gram (g)
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Product Type : LENS
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Product Type : lens