Porzellanperlen Fresnellinse φ50 mm (5 cm) Brennweite 28/40/50/60/70/80 mm Acryl Fresnel Lupe für Solar Project, Equipment Objektiv, Visual Bildung
![](https://m.media-amazon.com/images/I/61h-J4RwQXL._AC_UF894,1000_QL80_.jpg)
Fresnel-Linsen sind meist verwendeten Konzentration, Solar Heizung, Geräte- und visuelle Ausbildung und hellen Gathering Anwendungen, oder Kochen im
![](https://www.solarbrother.com/wp-content/uploads/2019/04/LENTILLE-FRESNEL-XXL.jpg)
Fresnel-Linse XL - Solar Brother
2PCS/Pack acrylic ultrathin fresnel lens Size:280*280mm, Focal length:600mm, Thickness:2mm, Material:PMMA Visual Aid for education - Great for reading
![](https://m.media-amazon.com/images/I/81YL8S560BL._AC_UF894,1000_QL80_.jpg)
2-Pack Fresnel Lenses 280 * 280MM Focal Length 600MM Acrylic Optical fresnel lens Fire Starter/Solar Oven/Scientific Research&Education/DIY Projection
![](https://www.tecnotticaconsonni.it/wp-content/uploads/2018/11/LENTI-DI-FRESNEL-4-660x531.jpeg)
Fresnel lenses - Tecnottica Consonni
80mm runde PMMA Fresnel kondensierende Linse Kunststoff. Diese Fresnel Linse kann auf Plane Lupe, Solarenergiekonzentrator, Taschenlampe, Bühnenlampe,
![](https://i.ebayimg.com/images/g/Te4AAOSwc49Y7aHO/s-l400.jpg)
Solar FresnelLinse PMMA Kondensationsobjektiv Brennweite Kunststoff Lupe 2Stücke
2PCS/Pack acrylic ultrathin fresnel lens Size:280*280mm, Focal length:600mm, Thickness:2mm, Material:PMMA Visual Aid for education - Great for reading
![](https://m.media-amazon.com/images/I/71VdYdV7UzL._AC_UF894,1000_QL80_.jpg)
2-Pack Fresnel Lenses 280 * 280MM Focal Length 600MM Acrylic Optical fresnel lens Fire Starter/Solar Oven/Scientific Research&Education/DIY Projection
![](https://www.lupe24.de/out/pictures/generated/product/1/665_665_75/04050.jpg)
Fresnel-Linse Basic-Line von SCHWEIZER
![](https://cdn.ready-market.com.tw/22540ca1/Templates/pic/LF2010-main-2.jpg?v=583fb23c)
Linearer Fresnel-Linsen-Solarkonzentrator
Diameter 80mm(3.15) with focal length 60mm Thickness: 2mm, Material: PMMA(acrylic) Great for Visual Aid education, Solar heating experiment, DIY
![](https://m.media-amazon.com/images/I/41IwfH1TawL._AC_UF894,1000_QL80_.jpg)
5-Pack Fresnel Lens Φ80mm(3.15) Focal Length 60mm Optical Fresnel Magnifying for Solar Projects,Equipment Lens,Visual Education (Focal Length 60mm)
![](https://oldenlighting.com/wp-content/uploads/2019/10/Olden-Shirt-Logo.png)
Fresnels Olden Lighting
![](https://oldenlighting.com/wp-content/uploads/2016/07/fresnel65Q-350x350.jpg)
Fresnels Olden Lighting
Fresnel-Linsen sind meist verwendeten Konzentration, Solar Heizung, Geräte- und visuelle Ausbildung und hellen Gathering Anwendungen, oder Kochen im
![](https://m.media-amazon.com/images/I/710xC2Xt3bL.jpg)
Porzellanperlen Fresnellinse φ50 mm (5 cm) Brennweite 28/40/50/60/70/80 mm Acryl Fresnel Lupe für Solar Project, Equipment Objektiv, Visual Bildung
![](https://i.ebayimg.com/images/g/MdsAAOSwzqFZAWCX/s-l1200.jpg)
Solar FresnelLinse PMMA Kondensationsobjektiv Brennweite
Front Fresnel mirror size: 140 90mm focal length F185. Rear Fresnel mirror size: 140 90mm focal length F120. The front Fresnel mirror has ears for
![](https://i.ebayimg.com/images/g/wRkAAOSwx95dE0Um/s-l1200.jpg)
5.8'' Plastic Fresnel Lens Focal Length 185mm 120mm 2pcs DIY Home Projector