Optical Lens Inspection Parameters
Comprehensive precision inspection capabilities across multiple lens outer diameters (OD), using state-of-the-art metrology equipment.
Key Highlights
5
OD Ranges
Covering lens OD from 1.5mm up to 60mm
13
Inspection Items
From geometry to optical properties
nm
Ultra Precision
Sub-micron and nanometer-level accuracy
Inspection Parameters by Lens OD
Note: Tolerance values vary according to the outer diameter (OD) of the lens. Smaller OD lenses require tighter tolerances to maintain optical performance.
| Inspection Item | OD 1.5~6mm | OD ~15mm | OD ~25mm | OD ~35mm | OD ~60mm | Test Equipment |
|---|---|---|---|---|---|---|
| PV (Peak to Valley) | 0.3μm | 0.5μm | 1μm | 2μm | 5μm | Ultra-Precision 3D Measurement UA3P |
| Newton Rings | < ± 1 fringe | < ± 2 fringe | < ± 3 fringe | < ± 6 fringe | < ± 15 fringe | UA3P / Calculation |
| Astigmatism (AS) | 0.1μm | 0.15μm | 0.2μm | 0.5μm | 1μm | Ultra-Precision 3D Measurement UA3P |
| Center Thickness | ± 0.003mm | ± 0.004mm | ± 0.008mm | ± 0.010mm | ± 0.020mm | UA3P / Calculation |
| Decenter | ≤ 1.5μm | 3μm | 5μm | 6μm | 10μm | UA3P / Tropics |
| Tilt | 30"~60" | 90" | 120" | 150" | 200" | UA3P / Tropics |
| Reflection Decenter (Body Molding Reference) |
1μm | 3μm | 4μm | 5μm | 8μm | Tropics OptCentric |
| Reflection Decenter (Edging Reference) |
2μm | 4μm | 5μm | 6μm | 10μm | Tropics OptCentric |
| Sag | ± 0.001mm | ± 0.003mm | ± 0.005mm | ± 0.005mm | ± 0.010mm | Ultra-Precision 3D Measurement UA3P |
| Outer Diameter | ± 0.003mm | ± 0.005mm | ± 0.008mm | ± 0.010mm | ± 0.010mm | Micrometer / OMM |
| Cosmetic | 20~10 | 40~20 | 60~40 | 60~40 | 80~50 | Microscope / Desk lamp |
| Refractive Index (Nd) | ± 0.00050 | WYV-S Digital V Prism Refractometer |
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| Abbe Number (Vd) | ± 0.80% | WYV-S Digital V Prism Refractometer |
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Application Fields
Camera Lenses
Microscope Optics
Laser Systems
Medical Imaging
Semiconductor Equipment
AR/VR Optics
