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Products > Laser Optics (266nm-1980nm) > 1850nm to 1980nm > Quartz f-Theta Scan Lens

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FL (mm) FL Specified For λ (nm) Telecentric Ghost Free Spot Diameter at Center (μm) Scan Area (mm x mm) Max. Beam Diameter (mm) Aperture Stop (mm) W.D. (mm) Length (mm) Max. Outside Diameter (mm) Mounting Thread Protective Window Sill Part Number
57.10 1908 yes no 0.00 20 x 20 10 17.50 0.00 51.90 89.0 M85x1 S4LPG3102/159 S4LFT1957/159
57.10 1908 yes no 0.00 20 x 20 10 17.50 0.00 45.30 89.0 M85x1 NA S4LFT1956/159
103.60 1908 yes no 0.00 60 x 60 10 22.50 0.00 72.00 104.0 M85x1 NA S4LFT1900/159
103.60 1908 yes no 0.00 60 x 60 10 22.50 0.00 82.00 106.0 M85x1 S4LPG2250/159 S4LFT1901/159
170.30 1940 yes yes 39.60 90 x 90 15.0 27.70 209.90 102.00 130.0 M85x1 S4LPG4160 S4LFT3162/159
260.00 1941 no yes 51.00 160 x 160 20.0 33.10 120.10 182.60 155.0 M85x1 S4LPG2175/159 S4LFT0260/159
344.80 1908 no yes 60.40 215 x 215 20.0 38.50 203.00 179.40 163.0 M85x1 S4LPG2175/159 S4LFT1330/159