2-Pack Fresnel Lens Φ230mm(9.06) Focal Length 110/190mm Acrylic Ultrathin Magnifier for Solar Heating,Solar Concentrator,fire Starter,spot

2pcs fresnel lenses Φ230mm with focal length 190mm Thickness:2mm, Material: PMMA (Acrylic) Visual Aid for education - Great for solar heating

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)

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

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

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

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

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

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

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

5-Pack Fresnel Lens Φ80mm(3.15) Focal Length 60mm Optical Fresnel Magnifying for Solar Projects,Equipment Lens,Visual Education (Focal Length 60mm) : Industrial & Scientific

2pcs fresnel lenses Φ230mm with focal length 190mm Thickness:2mm, Material: PMMA (Acrylic) Visual Aid for education - Great for solar heating

2-Pack Fresnel Lens Φ230mm(9.06) Focal Length 110/190mm Acrylic Ultrathin Magnifier for Solar Heating,Solar Concentrator,fire Starter,spot

2pcs fresnel lenses Φ230mm with focal length 110mm Thickness:2mm, Material: PMMA (Acrylic) Visual Aid for education - Great for solar heating

2-Pack Fresnel Lens Φ230mm(9.06) Focal Length 110/190mm Acrylic Ultrathin Magnifier for Solar Heating,Solar Concentrator,fire Starter,spot

PIR FRESNEL LENS_PF23-6020-BLACK Fresnel Factory Inc., Sensors, Transducers

2-Pack Fresnel Lenses 150 * 150MM Focal Length 160MM Acrylic Magnifying Lens Solar Fresnel Fire Starter/Solar Heating/Solar Project/Scientific Research&Education/Magnifier Lens by Six Seasons : Industrial & Scientific

2-Pack Fresnel Lenses Φ110mm(4.33) Focal Length 60mm Acrylic Fresnel Magnifier for Solar Heating,Equipment Lens,Lighting Concentrator,Visual Education (Focal Length 60mm) : Industrial & Scientific