5-Pack Fresnel Lens Φ80mm(3.15) Focal Length 60mm

4.8 (516) · € 29.00 · Auf Lager

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

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 Length 30mm) : Health & Household

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

2-Pack Large Fresnel Lenses Φ300mm(11.81) Focal Length 600mm Acrylic Magnifier for Solar Heating,Solar Cooking,Visual Education. (Focal Length 600mm) : Industrial & Scientific

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 Length 80mm) : Health & Household

Buy 2pcs new small fresnel lens diameter 80mm focal length 70 mm 35mm 40mm 50mm 60mm 80mm magnifier fresnel lens at Aliexpress for . Find more , and

2pcs new small fresnel lens diameter 80mm focal length 70 mm 35mm 40mm 50mm 60mm 80mm magnifier fresnel lens

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)

2-Pack Round Fresnel Lens Diameter 240MM Focal Length 250mm for Solar Concentrator and Cooking Outside, Large Fresnel Lenses Solar Magnifier fire Starter DIY Solar Projector : Arts, Crafts & Sewing

65 LINEAR FRESNEL LENS

5-Pack Fresnel Lens Φ80mm(3.15) Focal Length 50mm Acrylic Optical Lense for Solar Heating,Equipment Lens,Visual Education (Focal Length 50mm) - Yahoo Shopping

5-Pack Round Fresnel Lens Diameter 50mm(1.97) Focal Length 40mm(1.57) Acrylic Lens (not Glass) for Physics Classroom, Visual Education,Solar Concentrator: : Industrial & Scientific