2-Pack Fresnel Lenses 150 * 150MM Focal Length 160MM Acrylic Magnifying Lens Solar Fresnel Fire Starter/Solar Heating/Solar Project/Scientific

2PCS/Pack square acrylic fresnel lenses Size:150*150mm, Focal length:160mm, Thickness:2mm, Material:PMMA(acrylic) Visual Aid for education - Great for

Fresnel Solar Concentrator Optical Acrylic Lens With 4 Array For Green Energy, industrial magnifying glass supplier

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

2-Pack Fresnel Lens Φ150mm(5.91) Focal Length 70/80/90/100/120/140/200mm Acrylic Ultrathin Magnifier for Solar Heating, Solar Concentrator,fire Starter,spot Lens,Visual Education (Focal Length 120mm) : Industrial & Scientific

2pcs fresnel lenses Φ150mm with focal length 120mm Thickness:2mm, Material: PMMA (Acrylic) Visual Aid for education - Great for solar heating

2-Pack Fresnel Lens Φ150mm(5.91) Focal Length 70/80/90/100/120/140/200mm Acrylic Ultrathin Magnifier for Solar Heating,Solar Concentrator,fire

2-Pack Fresnel Lens Φ150mm(5.91) Focal Length 70/80/90/100/120/140/200mm Acrylic Ultrathin Magnifier for Solar Heating, Solar Concentrator,fire Starter,spot Lens,Visual Education (Focal Length 200mm) : Industrial & Scientific

2-Pack Fresnel Lens Φ240mm(9.45) Focal Length 100mm Acrylic Ultrathin Magnifier for Solar Heating,Solar Concentrator,fire Starter,spot Lens,Visual Education (Focal Length 100mm) : Arts, Crafts & Sewing

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

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

2-Pack Large Fresnel Lenses Φ300mm(11.81) Focal Length 360mm Acrylic Magnifier for Solar Heating,Solar Cooking,Visual Education. (Focal Length 360mm) : Industrial & Scientific