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Precision Laser Optics

F-Theta
Scanning Lenses

High-performance F-Theta lenses for galvo laser scanning systems. Covering 1064 nm, 532 nm, and 355 nm wavelengths -- from compact precision work to ultra-large-format scanning.

3 μm Min Spot Size
98%+ Transmittance
580 mm Max Scan Field

Why Choose ZD Optics F-Theta Lenses

F-Theta lenses are core optical components in galvo laser scanning systems. ZD Optics delivers industrial-grade performance with 30+ years of precision manufacturing expertise.

Full Wavelength Coverage

Complete solutions for 1064 nm fiber, 532 nm green, and 355 nm UV laser applications from a single trusted source.

  • 1064 nm / 532 nm / 355 nm
  • Standard M85×1 interface

Ultra-Fine Spot Size

Achieve focused spot sizes down to 3 μm for UV models, enabling precision micro-processing and fine feature accuracy.

  • Down to 3 μm (355 nm series)
  • Gaussian beam optimized (M²≈1)

100% Outgoing Inspection

Every lens ships with individual inspection reports covering all critical optical parameters for quality assurance.

  • Wavefront PV & spot reports
  • Transmittance & ellipticity data

High Transmittance

Selected models achieve transmittance above 98%, maximizing laser energy delivery and processing efficiency.

  • Up to 98%+ transmittance
  • Advanced AR coating technology

Wide Scan Field Range

Scan fields from 21.7 mm to 580.1 mm cover everything from precision micro-processing to large-format industrial scanning.

  • 21.7 mm to 580.1 mm range
  • Compact to ultra-large format

University-Backed R&D

Supported by Zhejiang University's College of Optical Science and Engineering, driving continuous innovation in optical performance.

  • 30+ years manufacturing heritage
  • NEC, Panasonic, Nikon supply history

Typical Application Areas

F-Theta lenses from ZD Optics are deployed across demanding industrial laser processing environments.

Metal 3D Printing
Laser Marking
Precision Cutting
Laser Welding
PCB Processing
UV Micro-Processing
Semiconductor Scribing
Surface Texturing
Technical Data

Product Specifications

High-Power F-Theta Lens

Ultra-large-format scanning for high-power laser applications

1 Model 580.1 mm Field
Model Code EFL Scan Field Scan Angle Spot Ф1/E2 Back Working Distance Flange Distance Input Beam Telecentricity Interface
SL-1064-580-650 S030 650 mm 580.1 mm 24.5° 64 μm 586.5 mm 681.07 mm 20 mm 22.5° M85×1
Ultra-large-format scanning
High-power laser applications
Industrial-grade performance

Technical Notes

  • All parameters based on Gaussian beam (M²≈1)
  • Actual beam quality affects final focused spot size
  • Flange focal distance (FFD) tolerance: ±1.5%
  • Effective focal length (EFL) tolerance: ±1.5%
  • Standard interface across all models: M85×1
  • Custom specifications available upon request
Quality Assurance

100% Outgoing Inspection

Every F-Theta lens manufactured by ZD Optics can be shipped with individual inspection data. Our strict process control ensures stable optical performance and reliable delivery for industrial customers worldwide.

Transmitted Wavefront PV Report

Individual wavefront measurement data confirming optical path quality and aberration control.

Focused Spot Diameter & Ellipticity Report

Measured spot size and beam shape data verifying focusing performance at the specified wavelength.

Total Transmittance Report

Measured transmittance data ensuring maximum laser energy throughput and coating quality.

30+
Years Experience
20+
Years Supply History
3 μm
Min Spot Size
98%+
Max Transmittance

Trusted by Industry Leaders

NEC Panasonic Nikon

Over 20 years of trusted supply experience serving internationally recognized companies in precision optics and electronics manufacturing.

University-Backed Innovation

Supported by the College of Optical Science and Engineering at Zhejiang University, advancing lens miniaturization, high transmittance, and high-resolution optical performance.

Request a Quote or Technical Consultation

Tell us your laser wavelength, scan field requirements, and application. Our optical engineers will recommend the left F-Theta lens or discuss custom solutions.

Individual inspection reports with every lens
Custom optical design available
OEM and volume orders welcome
1064 nm / 532 nm / 355 nm coverage
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