2-Pack Large Fresnel Lenses Φ300mm(11.81) Focal Length 120mm Acrylic Magnifier for Solar Heating,Solar Cooking,Visual Education. (Focal Length 120mm)

2-Pack Fresnel Lens Diameter 300mm(11.81) Thickness: 2mm, Material: PMMA(acrylic) Great for Visual Aid education, Solar heating experiment, Solar

8.3 x 11.75 LARGE 3X Fresnel Lens FULL PAGE Magnifier -- Solar Oven/DIY Projection TV PLANS (1 pack PREMIUM GRADE Large Lens)

Magnificientlarge Pmma Fresnel Lens 300mm - Optical Solar Concentrator Magnifying Glass

8.3 x 11.75 Large 3X Fresnel Lens Full Page Magnifier -- Solar Oven/DIY Projection TV Plans (1 Pack Premium Grade Large Lens)

GSC International FRSLEN3X Fresnel Lens, Large, 8 in. by 10 in.: : Industrial & Scientific

2-Pack Fresnel Lens Diameter 300mm(11.81) Thickness: 2mm, Material: PMMA(acrylic) Great for Visual Aid education, Solar heating experiment, Solar

2-Pack Large Fresnel Lenses Φ300mm(11.81) Focal Length 120mm Acrylic Magnifier for Solar Heating,Solar Cooking,Visual Education. (Focal Length 120mm)

1-Pack Large Fresnel Lens Diameter 500mm Focal Length 500mm Plastic (Acrylic) Lens for solar collecting,magnifying,solar heating,solar projector fire starter : Sports & Outdoors

1-Pack Large Fresnel Lens Diameter 500mm Focal Length 500mm Plastic (Acrylic) Lens for solar collecting,magnifying,solar heating,solar projector fire starter : Sports & Outdoors

Magnificientlarge Pmma Fresnel Lens 300mm - Optical Solar Concentrator Magnifying Glass

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

2PCS/Pack square acrylic fresnel lens Size:250*250mm, Focal length:200mm, Thickness:2mm, Material:PMMA Visual Aid for education - Great for reading

2-Pack Fresnel Lenses 250 * 250MM Focal Length 200MM Acrylic Fresnel Lens Fire Starter/Solar Oven/Scientific Research&Education/DIY Projection TV

2-Pack Fresnel Lenses 250 * 250MM Focal Length 200MM Acrylic Fresnel Lens Fire Starter/Solar Oven/Scientific Research&Education/DIY Projection TV PLANS By Six Seasons: : Industrial & Scientific

Magnificientlarge Pmma Fresnel Lens 300mm - Optical Solar Concentrator Magnifying Glass

2-Pack Fresnel Lens Φ240mm(9.45) Focal Length 300mm Acrylic Ultrathin Magnifier for Solar Heating,Solar Concentrator,fire Starter,spot Lens,Visual Education (Focal Length 300mm) : Arts, Crafts & Sewing

Large Optical PMMA Fresnel Lens Focal Length 330mm Solar Concentrator Magnifying