18mm 20mm 25mm 30mm Diameter Lens with Focus 2inch 2.5inch 3 Inch 4inch

• Customization: Available
• After-sales Service: Online Service or Technician Reaching Factory
• Warranty: 1 Year Warranty
• Model NO.: lens
• Application: Leather Industry, Molds & Dies, Crafts Industr, Advertising Industry
• Cooling System: Water Cooling
• Technical Class: Continuous Wave Laser
• Automatic Grade: Automatic
• Applicable Material: Nonmetal
• Type: Flat-Plate
• Laser Classification: Gaseous Laser
• Engraving Method: Vector Engraving
• Engraving Machine Type: Laser Engraving Machine
• Usage: Advertising
• Power: Small Power
• Drive Type: Stepper Drive
• Certification: Ce, ISO 9001
• Laser Type: CO2
• Control: Automatic
• Current: AC
• Condition: New
• Transport Package: Plastic Box, Carton Box
• Specification: CE, FDI, RoHS
• Trademark: HONDAC
• Origin: China
• HS Code: 8456110090
• Production Capacity: 1000 PCS

Product Description

lens with focus 2inch 2.5inch 3 inch 4inch

1. Diameter : 18mm, 20mm, 25mm, 30mm
2. Focal length :50.8mm/2" 
3. Thickness : 2mm 
4. Material : Imported USA CVD ZnSe 
5. Structure : Meniscus lenses(wavelength 10.6um)
6.  Usage : Apply for co2 laser cutting and engraving
7.  ZnSe lenses can be provided as a generated blank, polished optic and/or coated to your requirements. 

Lens specification: 
 

Model	20mm laser focus lens
Diameter	18mm 20mm 25mm 30mm
Focus Length	38.1mm	50.8mm	63.5mm	76mm	101mm
Diameter Tolerance	+0/-0.13mm
Thickness Tolerance	±0.25mm
FL Tolerance	<±2%
Centration	<3 arc minutes
Clear Aperture	>90%
Surface Figure	<λ/2 per 1"Dia(@)632.8nm
Surface Quality	40-20 scratch and dig
AR/AR coating	R<0.5% per surface (@) 10.6um

Contacts details: