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Lens Imaging Equipment Tools Refraction Optical Experiment Set Physics Lab Learning Kits for Teacher Student Education

Portable Mini Magnifier 6x 8X 10X Foldable Pocket Loupe 60mm Reading Jewelry Magnifying Glass for Close-Up Viewing

Universal HD 8/12/18/20/28/36X Optical Zoom Camera External Telephoto Lens with Clip Smartphone Camera Lens for Distant View

30 PCS VegaBeam Laser Protective lens 18x2 20x2 27.9x4.1 24.9x1.5 30x5 34x5 37x7 15KW 20KW 1064nm For Laser Cutting Optical Lens

2XLED Watch Jeweler Repair Magnifier Head-Mounted Headband Adjustable Magnifying Head Eye Glasses Loupe Lens 8X 12X 24X

Cloudray ZnSe Focus Lens Dia. 20mm FL 38.1-127mm 2.5" for CO2 Laser Engraving Cutting Machine by Other Shipping

18/28/36X Mobile Phone Camera Lens Clip-On Zoom Monocular Telescope Universal Phone Camera Telephoto Lens for Smartphone

1.5X2X2.5X3.5X Professional Head Wearing Magnifier Optivisor Eye Loupe 4 Lens Magnifier For Watch Repair Jewelry Making Welding

Round Fresnel Lens Optical PMMA Threaded Condenser Concentric Lenses 20mm 40mm 42mm 50mm 60mm 70mm for LED Light Projector VR

Rechargeable Handheld Magnifier 3 Lighting Modes Illuminated Magnifying Glass with LED Light for Seniors Reading Repair