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

Double Convex Glass Lens Optical Lens for Scientific Experiment Laboratory 30mm Diameter 50mm Focal Length

Uxcell Steel Pin 304 Stainless Steel Dowel Pin Cylindrical Shelf Support Pin 10mm x 60mm Silver 2pcs

1Pc PMMA Plano convex Acrylic Transparent condenser Lens for Zoom LED Flashlight

Geometric Optics Experiment Set: Optical Lens Kit With Convex And Concave Lenses For Light Refraction And Reflection - Ideal For Physics Teaching And

Geometric Optics Experiment Kit Concave-Convex Lens Refraction Optical Experiment Kit

Optical Lens Experiment Kit For Students - Geometric Optics With Convex & Lenses, Reflection Mirror, And 3-way - Acrylic Plastic Physics Lab Set

CO2 Lasers focusing Lens ZnSe Focal Lens Dia.20mm for Engraver Cutter Machine

CO2 Lasers focusing Lens ZnSe Focal Lens Dia.19mm for Engraver Cutter Machine

Andoer 650nm 250mW Red Dot Head Engraver Focusing Module Dot Locator Adjustable Focal Length Engraving DIY Part Red Dot Point

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BCLONG CO2 Lasers focusing Lens CVDZnSe Focal Lens Dia.18mm for Engraver Cutter Machine

Coast PolySteel 600 Pure Beam Focusing Flashlight, 710 Lumens, 810' Beam, 4x AA

Coast HL7R Rechargeable Pure Beam Focusing Headlamp, 240 Lumens, 341' Beam

Coast HL27 Pure Beam Focusing Headlamp, 360 Lumens, 433' Beam, AA Battery

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Coast PX1 Pure Beam Focusing Flashlight, 315 Lumens, 429' Beam, 3x AAA

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Coast FL75 Dual Color Pure Beam Focusing Headlamp, 435 Lumens, 469' Beam, Black/Red, 3x AAA

Coast PX32 Pure Beam Focusing Flashlight, 120 Lumens, 255' Beam, AA Battery

Coast FL75 Dual Color Pure Beam Focusing Headlamp, 435 Lumens, 469' Beam, Red/Gray, AAA Battery

Coast FL70 Pure Beam Focusing Headlamp, 435 Lumens, 469' Beam, 3x AAA

Coast FL85 Dual Color Pure Beam Focusing Headlamp, 615 Lumens, 600' Beam, 3x AAA

Coast FL80 Pure Beam Focusing LED Headlamp, 615 Lumens, 3x AAA

Coast FL75 Dual Color Pure Beam Focusing Headlamp, 435 Lumens, 469' Beam, Green/Gray, AAA Battery

Coast PolySteel 200 Pure Beam Focusing Flashlight, 320 Lumens, 387' Beam, 3x AAA

Coast HP7 Pure Beam Focusing Flashlight, 410 Lumens, 751' Beam, AAA Battery

Coast FL75 Dual Color Pure Beam Focusing Headlamp, 435 Lumens, 469' Beam, Blue/Gray, AAA Battery

Coast FL75 Dual Color Pure Beam Focusing Headlamp, 435 Lumens, 469' Beam, Orange/Gray, AAA Battery

Coast G50 Pure Beam Focusing Flashlight, 355 Lumens, 620' Beam, AAA Battery

Coast G32 Pure Beam Focusing Flashlight, 355 Lumens, 433' Beam, AA Battery

Coast PolySteel 400 Pure Beam Focusing Flashlight, 440 Lumens, 688' Beam, 4x AAA

Coast HX5 Pure Beam Focusing Pocket Light, 130 Lumens, 259' Beam, 1x AA

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