F-Theta lenses are commonly used in laser scanning systems and request high resolution. The image height of the F-Theta lens is equal to the scanning angle. These diffraction-limited lens systems can be engineered to produce the desired spot size. F-theta lenses are significant in industrial material drilling, welding, and cutting. They are also used in industrial lasers. When integrated into an optical lens assembly, F-Theta lenses enhance the precision and efficiency of various laser applications.
a. Custom Optical Coating
b. Lens Design by 3 And 4 lens
c. Transmition: >90%
| No. | Material | Scan Scope | Focal Length | Incident Light | Max. Incident Light Angle | Spot Diameter |
| （mm） | （°） | |||||
| SL-70*70-100-10.6 | ZnSe | 70*70 | 100 | 14 | 30 | 0.2-0.3 |
| SL-110*110-150-10.6 | ZnSe | 110*110 | 150 | 14 | 30 | 0.2-0.3 |
| SL-140*140-200-10.6 | ZnSe | 140*140 | 200 | 14 | 30 | 0.2-0.3 |
| SL-175*175-250-10.6 | ZnSe | 175*175 | 250 | 14 | 30 | 0.2-0.3 |
| SL-210*210-300-10.6 | ZnSe | 210*210 | 300 | 14 | 30 | 0.2-0.3 |
| SL-300*300-430-10.6 | ZnSe | 300*300 | 430 | 16 | 20 | 0.5 |
| SL-400*400-590-10.6 | ZnSe | 400*400 | 590 | 16 | 20 | 0.6 |
| SL-500*500-623-10.6 | ZnSe | 500*500 | 623 | 16 | 22 | 0.7 |
| SL-600*600-700-10.6 | ZnSe | 600*600 | 700 | 16 | 20 | 0.7 |
| SL-300*300-450-10.6-D65 | ZnSe | 300*300 | 450 | 28 | 20 | 0.35 |
| SL-400*400-545-10.6-D65 | ZnSe | 400*400 | 545 | 28 | 20 | 0.5 |
| SL-500*500-716-10.6-D65 | ZnSe | 500*500 | 716 | 28 | 22 | 0.6 |
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