Fresnel Lens Large, Diameter 500mm, Focal Length 600mm, Plastic (Acrylic) Lens for solar collecting, magnifying, solar heating, solar projector fire starter
Visual Aid for education - Great for Solar Concentrator, DIY Solar Heater, Solar Project, For Scientific Research
High light transmittance, High efficiency in focusing, Lightweight, Durable
Tips: Wear sunglasses when using, so that the light is not too strong to damage the eyes, In the sun will burn instantly, please pay attention to safety when using
Fresnel Lens, Diameter 200mm (7.9''), Focal Length 100mm, Acrylic Lens (not Glass), for Physics Classroom,Solar Heating,Magnifiying. (Focal Length 100mm)
KWD 8.500
Fresnel Lens, Diameter 100mm (4''), Focal Length 50mm, Acrylic Lens (not Glass), for Physics Classroom,Solar Heating,Magnifiying. (Focal Length 50mm)
KWD 5.500
Fresnel Lens, 100x100mm, Focal Length 50mm, Acrylic Lens (not Glass), for Physics Classroom, Solar Heating, Fire Starter.
KWD 5.500
2-Pack Large Fresnel Lenses Φ300mm(11.81") Focal Length 120mm Acrylic Magnifier for Solar Heating,Solar Cooking,Visual Education. (Focal Length 120mm)
KWD 26.500
