Fiber Laser Test Photographic Paper High Power Source Welding Machine Spot Diameter Adjust Focusing Posit Beam Dimming Paper

Laser Beam Combiner lens Diameter 20mm 25mm for CO2 Laser Engraving Cutting Machine to Adjust Light Path Make Laser Visible

Beam Expansion Lens 5mm diameter Biconcave Focusing Lens Dot Laser Light Source Focus 300-1100nm Wavelength PMMA Material

High CRI 95+ AC85-240V Beam Angle 24 ° Spot Light Source LED Spotlight Ceiling Light for Room Office Photographic Studio Kitchen

High CRI 95+ AC85-240V Beam Angle 24 ° Spot Light Source LED Spotlight Ceiling Light for Room Office Photographic Studio Kitchen

High CRI 95+ AC85-240V Beam Angle 120°-160° Diffused Light Source LED Ceiling Light for Room Office Photographic Studio Kitchen

LED Stage Moving Head Spot Beam Light Small Steel Cannon Spare Parts LED Beads Source 30W 60W 80W 100W for Spot Lights

High CRI 95+ AC85-240V Beam Angle 120°-160° Diffused Light Source LED Ceiling Light for Room Office Photographic Studio Kitchen

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LED track spotlight adjust beam angle 220V aluminum body 7W / 12W / 20W / 30W white black COB light source clothing store

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2MP USB Digital Microscope 500X 8 LED Camera Stand Microscopy CMOS Sensor 2 Megapixel Light Source Control Wheel Adjust

10PCS High Brightness LED COB Light Source G4 G9 Lamp Bulb 220V AC/DC 12-24V 3/5W 360 Beam Angle Replace Halogen Lights Led Lamp

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Plano Convex Cylindrical Lens Ray Diagram Square 60x 30mm Lens Mirror Optical Experiment Focusing Beam Long Focal Length1000mm

Plano Convex Cylindrical Lens Ray Diagram Square 60x 30mm Lens Mirror Optical Experiment Focusing Beam Long Focal Length1000mm

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Square 40mm K9 Plano-Convex Cylindrical Lens Focusing Beam Focal Length 250mm for Optical Experiment

Square 40mm K9 Plano-Convex Cylindrical Lens Focusing Beam Focal Length 250mm for Optical Experiment

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BK-7 Plano-Convex Cylindrical Lens Square Size 40 / 60mm Uncoated K9 Cylindrical Lens Optical Experiment Focusing Beam Expanding

Plano Convex Cylindrical Lens Ray Diagram Square 60x 30mm Lens Mirror Optical Experiment Focusing Beam Long Focal Length1000mm

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Square 40mm K9 Plano-Convex Cylindrical Lens Focusing Beam Focal Length 250mm for Optical Experiment

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K9 Plano-Convex Cylindrical Lens Square Size 40 / 60mm Cylindrical Lens Optical Experiment Focusing Beam Focal Length 250-1000mm