China RONAR-SMITH SL3 Series Triplet F-Theta Scan Lens for 10.6μm CO₂ Laser Marking & Engraving – SL3-9.4-50-80W Manufacture and Factory

RONAR-SMITH SL3 Series Triplet F-Theta Scan Lens for 10.6μm CO₂ Laser Marking & Engraving – SL3-9.4-50-80W

SL3 series F-Theta scan lenses consist of three ZnSe elements with or without protective window; they can reduce spot distortion and achieve more even spot size over the scanning field compared to SL1 and SL2. SL3 is used for finer CO₂ laser applications like electronic micro processing.

Lens adaptors for major scan head providers are available upon request.

Brand	RONAR-SMITH
Wavelength	9.4um
EFL (Effective Focal Length)	80mm
BFL (Back Focal Length)	93.4mm
WD (Working Distance)	87.31mm
Scan Field	50mm x 50mm
Scan Length	70mm
Scan Angle	±25.3
Input Beam EP (Entrance Pupil)	14mm
Thread	M85x1
Total Length	39.2mm
Outer Diameter (OD)	90mm
Center Spot Size (1/e²)	99um
Edge Spot Size (1/e²)	106um
Transmission	>96%
Protective Window	Yes