€ 27.99 · 4.8 (172) · Auf Lager
2PCS/Pack square acrylic fresnel lenses Size:150*150mm, Focal length:160mm, Thickness:2mm, Material:PMMA(acrylic) Visual Aid for education - Great for
2PCS-Pack big fresnel lenses Size:Φ400mm, Focal length:240mm, Thickness:3mm, Material:PMMA(acrylic) Visual Aid for education - Great for reading small
2-Pack Round Fresnel Lens Diameter 400MM Focal Length 240mm Acrylic Lenses for Solar Collecting,Cooking Outside,Solar Energy Fresnel Lens Magnifier
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
Fresnel Solar Concentrator Optical Acrylic Lens With 4 Array For Green Energy, industrial magnifying glass supplier
Diameter 80mm(3.15) with focal length 60mm Thickness: 2mm, Material: PMMA(acrylic) Great for Visual Aid education, Solar heating experiment, DIY
5-Pack Fresnel Lens Φ80mm(3.15) Focal Length 60mm Optical Fresnel Magnifying for Solar Projects,Equipment Lens,Visual Education (Focal Length 60mm)
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
Fresnel Magnifying Lens Plastic Magnifier Sub A4 Sized 260 X 177mm Solar Firelighter
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
Fresnel Solar Concentrator Optical Acrylic Lens With 4 Array For Green Energy, industrial magnifying glass supplier
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 90mm) : Industrial & 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)
2pcs fresnel lenses Φ150mm with focal length 90mm 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
Fresnel Solar Concentrator Optical Acrylic Lens With 4 Array For Green Energy, industrial magnifying glass supplier
2PCS/Pack square acrylic fresnel lenses Size:200*200mm, Focal length:100mm, Thickness:2mm, Material:PMMA(acrylic) Visual Aid for education - Great for
2-Pack Fresnel Lens 200 * 200MM Focal Length 100MM Acrylic Solar Magnifying Lenses, Solar Concentrator for Fire Starter/Solar Project/Scientific