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F-Theta lenses are commonly used in conjunction with galvanometer scanning mirrors in laser engraving, cutting, and marking systems. Typically the F-Theta distortion of the lens is kept less than 1% so that it is able to produce a precise spot in the flat field on the image plane.

SL1 Series - F-theta Scan Lens 9.4um
| Part Number | EFL (mm) | Scan Field (mm) | Input Beam Dia (1/e2) (mm) | Max.Scan Angle (+/- deg.) | BFL(mm) | Lens Dia (mm) | ET (mm) |
| SL1-9.4-F100Z-48 | 100.0 | 69 X 69 | 12.0 | 28.0 | 97.2 | 48.0 | 2.4 |
| SL1-9.4-F150Z-48 | 150.0 | 107 X 107 | 12.0 | 29.0 | 146.5 | 48.0 | 3.1 |
| SL1-9.4-F200Z-48 | 200.0 | 140 X 140 | 15.0 | 28.0 | 197.5 | 48.0 | 3.0 |
| SL1-9.4-F250Z-48 | 250.0 | 175 X 175 | 20.0 | 28.0 | 253.4 | 65.0 | 3.2 |
| SL1-9.4-F300Z-48 | 300.0 | 210 X 210 | 12.0 | 28.0 | 308.6 | 48.0 | 3.9 |
| SL1-9.4-F360Z-48 | 359.1 | 250 X 250 | 12.0 | 28.0 | 357.9 | 48.0 | 4.0 |
| SL1-9.4-F435Z-48 | 433.0 | 300 X 300 | 12.0 | 28.0 | 435.1 | 48.0 | 3.0 |
| SL1-9.4-F450Z-48 | 448.5 | 320 X 320 | 12.0 | 28.0 | 462.0 | 48.0 | 2.8 |
| SL1-9.4-F480Z-70 | 480.0 | 350 X 350 | 20.0 | 28.0 | 489.1 | 70.0 | 3.9 |
| SL1-9.4-F573Z-48 | 573.0 | 400 X 400 | 12.0 | 28.0 | 582.0 | 48.0 | 4.2 |
SL1 Series - F-theta Scan Lens 10.6um
| Part Number | EFL (mm) | Scan Field (mm) | Input Beam Dia (1/e2) (mm) | Max.Scan Angle (+/- deg.) | BFL(mm) | Lens Dia (mm) | ET (mm) |
| SL1-10.6-F75Z-48 | 75.0 | 50 X 50 | 10.0 | 28.0 | 75.9 | 48.0 | 3.0 |
| SL1-10.6-F100Z-48 | 100.0 | 69 X 69 | 12.0 | 28.0 | 97.2 | 48.0 | 2.4 |
| SL1-10.6-F150Z-48 | 150.0 | 100 X 100 | 12.0 | 28.0 | 146.5 | 48.0 | 3.1 |
| SL1-10.6-F200Z-48 | 200.0 | 140 X 140 | 12.0 | 28.0 | 197.5 | 48.0 | 3.0 |
| SL1-10.6-F200Z-70 | 200.0 | 140 X 140 | 20.0 | 28.0 | 208.8 | 70.0 | 2.8 |
| SL1-10.6-F250Z-48 | 250.0 | 175 X 175 | 12.0 | 28.0 | 256.0 | 48.0 | 3.2 |
| SL1-10.6-F250Z-65 | 250.0 | 175 X 175 | 20.0 | 28.0 | 253.4 | 65.0 | 3.2 |
| SL1-10.6-F300Z-48 | 300.0 | 210 X 210 | 12.0 | 28.0 | 308.6 | 48.0 | 3.9 |
| SL1-10.6-F360Z-48 | 360.0 | 250 X 250 | 12.0 | 26.8 | 357.9 | 48.0 | 4.0 |
| SL1-10.6-F420Z-70 | 420.0 | 295 X 295 | 20.0 | 28.0 | 416.8 | 70.0 | 3.5 |
| SL1-10.6-F420Z-75 | 420.0 | 300 X 300 | 20.0 | 28.0 | 416.8 | 75.0 | 3.4 |
| SL1-10.6-F430Z-65 | 430.0 | 300 X 300 | 20.0 | 25.0 | 432.6 | 65.0 | 3.7 |
| Part Number | EFL (mm) | Scan Field (mm) | Input Beam Dia (1/e2) (mm) | Max.Scan Angle (+/- deg.) | BFL(mm) | Lens Dia (mm) | ET (mm) |
| SL1-10.6-F435Z-48 | 433.0 | 300 X 300 | 12.0 | 24.9 | 435.1 | 48.0 | 3.0 |
| SL1-10.6-F450Z-48 | 448.5 | 320 X 320 | 12.0 | 28.0 | 462.0 | 48.0 | 2.8 |
| SL1-10.6-F480Z-70 | 480.0 | 350 X 350 | 20.0 | 28.0 | 489.1 | 70.0 | 3.9 |
| SL1-10.6-F480Z-48 | 480.0 | 335 X 335 | 12.0 | 28.0 | 492.0 | 48.0 | 2.6 |
| SL1-10.6-F550Z-60 | 561.0 | 400 X 400 | 20.0 | 28.0 | 562.0 | 60.0 | 3.8 |
| SL1-10.6-F573Z-48 | 573.0 | 430 X 430 | 12.0 | 28.0 | 582.0 | 48.0 | 4.2 |
| SL1-10.6-F573Z-62 | 573.0 | 394 X 394 | 20.0 | 27.0 | 581.6 | 62.0 | 4.0 |
| SL1-10.6-F574Z-75 | 574.0 | 430 X 430 | 20.0 | 28.0 | 591.0 | 75.0 | 3.8 |
| SL1-10.6-F620Z-70 | 620.0 | 450 X 450 | 20.0 | 28.0 | 636.0 | 70.0 | 3.9 |
| SL1-10.6-F720Z-75 | 720.0 | 500 X 500 | 20.0 | 28.0 | 741.0 | 75.0 | 2.7 |
| SL1-10.6-F720Z-48 | 720.7 | 531 X 531 | 12.0 | 28.0 | 734.0 | 48.0 | 3.0 |
| SL1-10.6-F740Z-88 | 740.0 | 540 X 540 | 20.0 | 28.0 | 759.0 | 88.0 | 4.2 |
| SL1-10.6-F830Z-75 | 830.0 | 600 X 600 | 20.0 | 28.0 | 848.0 | 75.0 | 4.0 |
| SL1-10.6-F977Z-48 | 976.0 | 715 X 715 | 12.0 | 28.0 | 990.5 | 48.0 | 3.1 |
| SL1-10.6-F1100Z-76 | 1100.0 | 700 X 700 | 25.0 | 25.0 | 1138.0 | 76.0 | 5.2 |
| SL1-10.6-F1150Z-48 | 1150.0 | 800 X 800 | 12.0 | 28.0 | 1177.0 | 48.0 | 3.0 |
| SL1-10.6-F1191Z-48 | 1191.6 | 770 X 770 | 12.0 | 25.0 | 1220.0 | 48.0 | 3.0 |
| SL1-10.6-F1650Z-48 | 1650.0 | 600 X 600 | 12.0 | 28.0 | 1634.4 | 48.0 | 3.0 |
| SL1-10.6-F2122Z-48 | 2128.0 | 1385 X 1385 | 12.0 | 25.0 | 2176.0 | 48.0 | 3.5 |