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Xbora 1.56/1.61/1.67/1.74 Aspherical Lens High-Definition Anti-Radiation Anti-UV CR-39 Myopia And Hyperopia Lens 1 Pair

Square Size Tempered Glass Sheet for Laboratory High Transparency High-temperature Resistant Glass Window Sheet

VILTROX 28mm F4.5 black Pancake Lens Autofocus Full Frame Lens Retro Ultra-thin 60g For FUJI XF Sony E Mount

B03B-M43 Mount Free Focus Pancake Lens E-P5 E-PL7 PEN-F E-M10 Stardard Angle Prime Disposable Lens G9 GHS5 GF6 GX8 GX990 GM5

70/80/90/100mm Round Fresnel Lens Optical PMMA RoundThreaded Condenser for LEDLight Focusing Projector Imaging VR Headset Device

Gifts Handmade Waist-level Viewfinder Portable 3D Printing 50 Optical Lens DIY Fresnel Lens

0.3X 0.35X 0.5X 0.75X 2X 1X Barlow Lens 42mm Mounting Thread Microscopio Camera Objective Lens For 10A 120X/180X/300X Lens

DOE diffractive optical elements, DG laser grating patterns, stage projection, starlight illumination effects, optical lenses

8mm Diameter Focusing Lens Cross Type Laser Accessories with 300nm-1100nm Wavelength Range PMMA Material for Optical Devices

Hand-held Microscope Magnifying Glass 10X- Jewelers Loupe Desktop ABS- Magnifier Portable Scale Loop for Cloth Repairing