Composite focus lens / dual-piece diameter 41.5mm, focal length 120mm quartz material, light machine

Composite focus lens / dual-piece diameter 25mm, focal length 80mm quartz material, Chinese and Russian machine

Fresnel Lens Diameter 200mm Focal length 120mm Solar Cooker , Lines from 0.5MM High light condenser

Focus Lens USA CVD ZnSe for CO2 Laser Engraving Cutting Machine Diameter 12 18 19.05 20 Focal Length 38.1 50.8 63.5 76.2 101.6

5pcs ZnSe Diameter 12mm Focal Length FL 50.8mm Co2 Laser Focus Lens For K40 40W 300*200mm Mini Co2 Laser Engraving Machine

1pc 20mm Diameter 63.5mm Focal Length Design Wavelength10.6 Znse co2 Focus Laser Lens

#AUFE-20 Co2 Laser Focus Lens, Materials: USA ZnSe, Diameter: 20mm, Edge thickness: 3mm, Focal length: 63.5mm, Clean surface

DLWA-18 Co2 Laser Focus Lens, Materials: USA ZnSe ,Diameter : 18mm, Edge thickness: 2mm, Focal length: 63.5mm, Clean surface

1pcs/lot Plane magnificat fresnel lens Diameter 140mm Focal length 120mm High light condenser free shipping LED street lamp lens

1pc 25mm Diameter 63.5mm Focal Length Design Wavelength10.6 Znse co2 Focus Laser Lens

Best Quality CVD Znse Focus Lens Diameter 20mm Focal Length 38.1mm 1.5 inch for CO2 Laser Engraving and Cutting Machine

Diameter 4.5mm aspherical coating laser focus lens collimating optical glass lens short focal length 2.75 mm

#JM-18 High quality Co2 Laser Focus Lens, Diameter 18mm, Focal length 25.4/38.1/50.8/63.5/76.2/101.6/127mm, USA ZnSe Materials

PTSY-19 Co2 Laser Focus Lens, Materials: USA ZnSe ,Diameter : 19mm, Edge thickness: 3mm, Focal length: 25.4mm, Clean surface

#HW-20 High quality Co2 Laser Focus Lens, Diameter 20mm, Focal length 25.4/38.1/50.8/63.5/76.2/101.6/127mm, USA ZnSe Materials

Aspherical glass coating focus lens Focal length 22.6 mm Diameter 8 mm laser collimating lens imaging Lens

K9 Lentes Optical Lens Super Clear Double convex Glass Diameter 120mm , Focal 120 mm Lenses Experiment Glass Focus Instrument

NKJU-19 Co2 Laser Focus Lens, Materials: USA ZnSe ,Diameter : 19mm, Edge thickness: 3mm, Focal length: 38.1mm, Clean surface

OZTC-18 Co2 Laser Focus Lens, Materials: USA ZnSe ,Diameter : 18mm, Edge thickness: 2mm, Focal length: 76.2mm, Clean surface

120mm Diameter Double Convex Lens K9 Optical Glass Focal Length 120mm Optics Glass lens

1pc 18mm Diameter 50.8mm Focal Length Design Wavelength10.6 Znse co2 Focus Laser Lens

#OM-12 High quality Co2 Laser Focus Lens, Diameter 12mm, Focal length 25.4/38.1/50.8/63.5/76.2/101.6/127mm, USA ZnSe Materials

YTRE-19 Co2 Laser Focus Lens, Materials: USA ZnSe ,Diameter : 19mm, Edge thickness: 3mm, Focal length: 50.8mm, Clean surface

CANO-18 Co2 Laser Focus Lens, Materials: USA ZnSe ,Diameter : 18mm, Edge thickness: 2mm, Focal length: 50.8mm, Clean surface

NPFV-18 Co2 Laser Focus Lens, Materials: USA ZnSe ,Diameter : 18mm, Edge thickness: 2mm, Focal length: 101.6mm, Clean surface

1pc 12mm Diameter 50.8mm FL 2" Znse Focus Lens Focal Mini CO2 Laser Rubber Stamp Engraver K40 3020 Engraving Machine

RQDJ-18 Co2 Laser Focus Lens, Materials: USA ZnSe ,Diameter : 18mm, Edge thickness: 2mm, Focal length: 38.1mm, Clean surface

#GT-19 High quality Co2 Laser Focus Lens, Diameter 19mm, Focal length 25.4/38.1/50.8/63.5/76.2/101.6/127mm, USA ZnSe Materials

Diameter 400MM Focal Length 240MM Round PMMA Optical Concentric Focus Ignition Magnifying Lens LED Scientific Experiment

K9 Lentes Optical Lens Super Clear Double convex Glass Diameter 120mm , Focal 132 mm Lenses Experiment Glass Focus Instrument

IZHR-20 Co2 Laser Focus Lens, Materials: USA ZnSe ,Diameter : 20mm, Edge thickness: 2mm, Focal length: 101.6mm, Clean surface