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Laser Welding Lens Dia.20mm Focusing Lens,SUP21/23/28T,F800mm CT4.5,Cleaning Machine D20F800 Focus Lenses for Hand-held Welding Head (D20*4.5-F800)

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Product details

Management number 221721102 Release Date 2026/05/03 List Price US$16.00 Model Number 221721102
Category

Laser Welding Lens Dia.20mm Focusing Lens,SUP21/23/28T,F800mm CT4.5,Cleaning Machine D20F800 Focus Lenses for Hand-held Welding Head (D20*4.5-F800) Diameter: 20mm / 0.79 inches Thickness: 4.5mm / 0.18 inches Light Transmittance: 99.5% Material: High-Grade Imported Quartz Crystal (Fused Silica) Coating: Double-Sided High-Damage-Threshold Anti-Reflective Coating Design: 45° Beveled Edge (Shatter-Resistant) Application: Handheld Laser Cleaning Machine

  • D20*4.5-F800:Diameter: 20mm / 0.79 inch | Thickness: 4.5mm / 0.18 inch | Focal length: F800. Compatible with: SUP21/23/28T, F800mm, CT4.5, Cleaning Machine, D20F800 Focus Lenses for Hand-held Welding Head. 99.5% light transmittance maximizes laser energy delivery, weld deeper and faster at the same power
  • Withstands high temperatures and corrosion→ 8+ hours continuously without fogging or cracking. Lasts significantly longer than standard lenses
  • Double-Sided Anti-Spill Coating → Spatter and debris won't stick easily. Wipe clean in seconds — no frequent downtime for lens changes
  • 45° Chip-Resistant Bevel → Won't shatter or send fragments flying if damaged.
  • Factory pre-aligned concentricity on every lens. Install directly and start working. No time wasted on re-calibration after lens changes
Size D20*4.5-F800
Material Quartz
Item Weight 1.76 ounces
Manufacturer Yumidaya
Power Source air_powered
Item model number (D20*4.5-F800
Batteries Required No
Product Dimensions 5.51 x 5.51 x 1.18 inches
Included Components 1

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