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Fresnel Lens Magnifier, Diameter 100mm (4''), Focal Length 100mm, Acrylic Lens (not Glass), for Physics Classroom,Solar Heating,Magnifiying. (Focal

Fresnel Lens Magnifier, Diameter 100mm (4''), Focal Length 100mm, Acrylic Lens (not Glass), for Physics Classroom,Solar Heating,Magnifiying. (Focal

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1-Pack Round Fresnel Lens Magnifier Size:Φ100mm, Thickness:2mm, Material: PMMA (Acrylic) High Light Transmittance, High Efficiency in Focusing, High

2024 Free Sample/Inquiry for Drawings Fresnel Magnifier Dia 100mm (4′ ′) FL 100mm Acrylic Lens Physics Classroom Solar Heating Magnifying - China Optical Lens, Optical Components

Linear Fresnel Lens 250x150mm, Focal Length 120mm, Acrylic Lens (not Glass), Linear Focusing for Physics Classroom, Optical Education, Solar Project - Yahoo Shopping

Fresnel Lens, Diameter 200mm (7.9''), Focal Length 100mm, Acrylic Lens (not Glass), for Physics Classroom,Solar Heating,Magnifiying. (Focal Length 100mm) : Industrial & Scientific

Acrylic Fresnel Lens 1pcs Size:Φ200mm, Thickness:2mm, Material: PMMA (Acrylic) High Light Transmittance, High Efficiency in Focusing, High Precision.

Fresnel Lens, Diameter 200mm (7.9''), Focal Length 100mm, Acrylic Lens (not Glass), for Physics Classroom,Solar Heating,Magnifiying. (Focal Length

Fresnel Lens Magnifier, Diameter 100mm (4''), Focal Length 100mm, Acrylic Lens (not Glass), for Physics Classroom,Solar Heating,Magnifiying. (Focal Length 100mm) : Industrial & Scientific

Fresnel Lens, Diameter 150mm (5.9''), Focal Length 70mm, Acrylic Lens (not Glass), for Physics Classroom Education, Solar Heating, Magnifiying. (Focal Length 70mm) - Yahoo Shopping

Acrylic Fresnel Lens 1pcs Size:Φ200mm, Thickness:2mm, Material: PMMA (Acrylic) High Light Transmittance, High Efficiency in Focusing, High Precision.

Fresnel Lens, Diameter 200mm (7.9''), Focal Length 100mm, Acrylic Lens (not Glass), for Physics Classroom,Solar Heating,Magnifiying. (Focal Length

Fresnel Magnifying Lens Plastic Magnifier Sub A4 Sized 260 X 177mm Solar Firelighter

1-Pack Fresnel Lens Φ150mm Focal length 70mm Thickness:2mm, Material: PMMA (Acrylic) High Light Transmittance, High Efficiency in Focusing, High

Fresnel Lens, Diameter 150mm (5.9''), Focal Length 70mm, Acrylic Lens (not Glass), for Physics Classroom Education, Solar Heating, Magnifiying. (Focal

Fresnel Lens, Diameter 150mm (5.9''), Focal Length 70mm, Acrylic Lens (not Glass), for Physics Classroom Education, Solar Heating, Magnifiying. (Focal Length 70mm) - Yahoo Shopping

Linear Fresnel Lens 250x150mm, Focal Length 120mm, Acrylic Lens (not Glass), Linear Focusing for Physics Classroom, Optical Education, Solar Project - Yahoo Shopping