Wavelength 1550nm Scan Lens STH-1550-50-63-M39-8
Our f-theta flat-field lenses provide diffraction-limited image quality across the full field, with actual distortion within 0.20%. Quartz-series lenses offer higher damage thresholds for high-power lasers, better thermal stability, and less thermal focus shift. Standard F-theta scan lenses meet or closely approach leading international equivalents, supporting fast, uniform laser marking, cutting, and drilling across the processing field. A full range, reliable quality, timely supply, attentive service, and cost effectiveness meet varied needs. STH series 1550nm Scan lens Model | Focal length(mm) | Working distance(mm) | Scan field(mm) | Scan angle | Incident spot diameter(mm) | Focal spot diameter(μm) | Galvanometer position(mm) | Threaded connection(mm) | Material STH-1550-50-63-M39-8 | 63 | 77 | 28*28 | ±18° | 8 | 22 | 10/10 | M39*1 | Glass STH-1550-70-100-M39-8 | 100 | 106 | 45*45 | ±18° | 8 | 35 | 10/10 | M39*1 | Glass
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355 field lens Optical Lenses Central-laser
Focal Length [Original Table Row 2; Focal Length=100mm; Parallel Values in the Same Row Not Split into Separate Models or Configurations]: 100 mm Working Distance [Original Table Row 2; Focal Length=100mm; Parallel Values in the Same Row Not Split into Separate Models or Configurations]: 136 mm Scan Range [Original Table Row 2; Focal Length=100mm; Parallel Values in the Same Row Not Split into Separate Models or Configurations]: 70 mm² × 70 mm²
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Focal Length [Original Table Row 2; Focal Length=100mm; Parallel Values in the Same Row Not Split into Separate Models or Configurations]: 100 mm Working Distance [Original Table Row 2; Focal Length=100mm; Parallel Values in the Same Row Not Split into Separate Models or Configurations]: 114.5 mm Scan Range [Original Table Row 2; Focal Length=100mm; Parallel Values in the Same Row Not Split into Separate Models or Configurations]: 70 mm² × 70 mm²
532 field lens: large zinc-selenide (ZnSe) focusing lens with a small spot for accurate marking. Imported lens material provides long service life and reduces removal, installation, and alignment. The 532nm field lens is suitable for green laser-marking machines.
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Focal Length [Original table row 2; Focal length=72mm; Parallel values in the same row, without additional model or configuration splitting]: 72 mm Mirror Diameter [Original table row 2; Focal length=72mm; Parallel values in the same row, without additional model or configuration splitting]: 48 mm Scan Range [Original table row 2; Focal length=72mm; Parallel values in the same row, without additional model or configuration splitting]: 50 mm² × 50 mm²
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