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Lightdow 85mm F1.8 Medium Telephoto Portrait Full Frame E Mount Lens for Sony A9 A7R A7S A7 NEX-7 NEX-6 NEX-5 A6500 A6300 A6000

Planoconvex Lens Diameter 5mm 5.5mm 5.9mm 9.8mm 6mm 10mm 12mm Optical K9 Experimental lens

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Diameter 12mm Focal Length 15.2mm Biconvex Lens, Thickness 3mm, H-K9L Glass Material, No Coating, Optical Physics Experiment

FUJIAN 25mm F1.4 CCTV TV Movie lens+C Mount+Macro ring for Sony E Mount Nex-5T Nex-F3 Nex-6 Nex-7 Nex-5R A6300 A6100 A6500 A5100

10-100pcs LED Lens 1W 3W 5W High Power 15mm Waterproof 20 45 90 Degree Angle Lens For DIY Washwall Light Lamp Convex Reflector

1 Set 44mm LED Lens Optical Glass 60 120 Degree + 50mm Reflector Collimator + Fixed Bracket for 20W 30W 50W 100W COB LED Chip

5Pcs Defective Concave-Convex Lens Plano-convex lens Laser Lens Coating Prisms Stained Glass

6mm 8mm 10mm 12mm 13mm 14mm 15mm 16 20mm 25 30 32 35 40mm Mini Optical Glass Lens Optics Plano Convex Condenser LED No Edge Lens