Znse Focus Lens Focus Beam Reflection for CO2 Marking Machine Cutting Engraving
Description:
Len dia 20mm, Focus length 63.5mm/2.5", anti-reflective coated focal lens for 40-100W.
Focus lens is the fitting of CO2 machine, which is used to focus the beam after reflection, to realize engraving or cutting.
Meniscus type lens, better foucs and meticulous path of light.
Can withstand high power density, firm film, resistant to wipe.
Used for processing, fits for engraving machine, machine, cutting machine, etc..
Specification:
Material: Znse
Coating: 10.6um（ Both Side）
Diameter tolerance: +0/-0.13mm
Centre Thickness Tolerance: ±0.25mm
Focal Length Tolerance: <±2%
Cle : >= 90% Diameter
Scratch/: 40-20
Surface Accuracy: 入/2per1"Dia
Package Includes:
1 Piece Focal Len (Packed in boxes with foamed cotton)
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