20mm Diameter ZnSe Focal Lens for CO2 Laser Cutter Engraver FL 50.8mm

20mm Diameter ZnSe Focal Lens for CO2 Laser Cutter Engraver FL 50.8mm

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Buying for a 20mm Diameter ZnSe Focal Lens for CO2 Laser Cutter Engraver FL 50.8mm with low price? Read about features, types, and other must-know topics in our 20mm Diameter ZnSe Focal Lens for CO2 Laser Cutter Engraver FL 50.8mm buying guide to make an informed choice. Pay for good 20mm Diameter ZnSe Focal Lens for CO2 Laser Cutter Engraver FL 50.8mm Look for the 20mm Diameter ZnSe Focal Lens for CO2 Laser Cutter Engraver FL 50.8mm package that is good for you. Make a price comparison, discount promo, or free shipping before shopping.

Specification:
Model: DN20FL50.8
Material: ZnSe
Diameter: 20mm
Focal Length: 50.8mm
Edge Thinckness: 2.2mm
Aperture: 90% of the Diameter
Tolerance of Thickness ±0.25mm
Tolerance of Diameter: +0/-0.13mm
Effective Focal Length: ±2%
Anti-Reflective Coating: at 10.6 μm
Surface Quality: 40-20
Surface Figure at 0.63 μm: λ/2 per 1 inch Dia
Coating Transmittivity Per surface at 10.6 μm: ≥99.50%

Features:
- ZnSe is used for optical windows, lenses, mirrors, prisms and optical blanks, plates, disks, sheets, slabs particularly for infrared applications
- Zinc Selenide (ZnSe) is transparent in wide spectral range from yellow (visible) to far IR. ZnSe material is a chemically inert, non-hygroscopic and highly pure product that is very effective in many optical applications due to its extremely low bulk losses, high resistance to thermal shock and stability in virtually all environments, easily machined.
- To obtain superior transmittance, ZnSe crystals are grown by Chemical Vapor Deposition process. Zinc Selenide is polycrystalline material, demonstrates superior CO2 laser transmittance and is employed in the transmission optical components used in CO2 laser processing.

Package Included:
1 × DN20FL50.8 ZnSe Focus Lens

More Details:

20mm Diameter ZnSe Focal Lens for CO2 Laser Cutter Engraver FL 50.8mm

20mm Diameter ZnSe Focal Lens for CO2 Laser Cutter Engraver FL 50.8mm

20mm Diameter ZnSe Focal Lens for CO2 Laser Cutter Engraver FL 50.8mm

20mm Diameter ZnSe Focal Lens for CO2 Laser Cutter Engraver FL 50.8mm

20mm Diameter ZnSe Focal Lens for CO2 Laser Cutter Engraver FL 50.8mm

20mm Diameter ZnSe Focal Lens for CO2 Laser Cutter Engraver FL 50.8mm
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