2-Pack Large Fresnel Lenses Φ300mm(11.81) Focal
Buy 2-Pack Large Fresnel Lenses Φ300mm(11.81") Focal Length 120mm Acrylic Magnifier for Solar Heating,Solar Cooking,Visual Education. (Focal Length 120mm): Optics - ✓ FREE DELIVERY possible on eligible purchases
Fresnel Lenses - Fresnel Lens
2-Pack Fresnel Lenses 280 * 280MM Focal Length 600MM Acrylic Optical fresnel lens Fire Starter/Solar Oven/Scientific Research&Education/DIY Projection TV PLANS By Six Seasons: : Industrial & Scientific
Six Seasons 2-Pack Fresnel Lenses 250 * 250MM Focal Length 200MM India
5-Pack Fresnel Lens Φ40mm(1.57) Focal Length 80mm Acrylic Fresnel Lenses for Classroom Visual Education, Equipment Lens, Solar Project (Focal Length 80mm) : Industrial & Scientific
Fresnel lenses are most used in solar concentration, solar heating and light gathering applications. Or cooking outside as a fire starter. Fresnel lenses can also be used as projection lenses or magnifiers. They are great for magnifying print in books, magazines, maps, telephone numbers, recipes, etc. They are great as a gift or toy to childrens who need visual aid.
2-Pack Large Fresnel Lenses Φ300mm(11.81) Focal Length 600mm Acrylic Magnifier for Solar Heating,Solar Cooking,Visual Education. (Focal Length 600mm)
Diameter 60mm(2.36) with focal length 40mm Thickness: 2mm, Material: PMMA(acrylic) Great for Visual Aid education, Solar heating experiment, DIY
5-Pack Fresnel Lens Φ60mm(2.36) Focal Length 30/40/50/60/70/80mm Acrylic Fresnel Magnifier for Solar Project,Equipment Lens,Visual Education (Focal
2-Pack Large Fresnel Lenses Φ300mm(11.81) Focal Length 200mm Acrylic Magnifier for Solar Heating,Solar Cooking,Visual Education. (Focal Length
Round Glass Spotlight Fresnel Lens for Stage lamp Magnifier Threaded Lens (D150 EFL80mm) : Arts, Crafts & Sewing
2-Pack Large Fresnel Lenses Φ300mm
Fresnel Lens, 200x200mm, Focal Length 100mm, Acrylic Belgium
Balacoo Magnifying Glass fire Starter Convex Lens Kids Glasses Light Optical Lens Magnifying Glass Lens Fresnel Lens Glass Lens 10cm Diameter Kids Magnifying Glass 100mm Round Electroscope : Industrial & Scientific
Diameter 300mm(11.81) with different options on focal length Thickness: 2mm, Material: PMMA(acrylic) Great for Visual Aid education, Solar heating
2-Pack Large Fresnel Lenses Φ300mm(11.81) Focal Length 200mm Acrylic Magnifier for Solar Heating,Solar Cooking,Visual Education. (Focal Length 200mm)