#six seasons

2-Pack Fresnel Lenses 110mm Focal Length 70mm Acrylic Fresnel Magnifier for Solar Heating, Equipment Lens, Lighting Concentrator, Visual Education

Fresnel Lens Magnifier, Diameter 200mm , Focal Length 200mm, Acrylic Lens , for Physics Classroom, Solar Heating, Magnifiying, Fire Starter.

Fresnel Lens Magnifier, 200x200mm, Focal Length 210mm, Acrylic Lens , for Physics Classroom, Solar Heating, Magnifiying, Fire Starter.

2-Pack Large Fresnel Lenses 300mm Focal Length 600mm Acrylic Magnifier for Solar Heating, Solar Cooking, Visual Education.

Fresnel Lens, 300x300mm, Focal Length 300mm, Acrylic Lens , for Physics Classroom, Solar Heating, Magnifiying.

Linear Fresnel Lens 250x150mm, Focal Length 120mm, Acrylic Lens , Linear Focusing for Physics Classroom, Optical Education, Solar Project

Fresnel Lens, 100x100mm, Focal Length 50mm, Acrylic Lens , for Physics Classroom, Solar Heating, Fire Starter.

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

5-Pack Fresnel Lens 30mm Focal Length 15/20/50mm Acrylic Fresnel Lenses for Solar Project, Equipment, Visual Education

2-Pack Fresnel Lenses 150 150MM Focal Length 160MM Acrylic Magnifying Lens Solar Fresnel Fire Starter/Solar heating/Solar project/Scientific Research & Education/magnifier lens By Six Seasons

1-Pack Large Fresnel Lens Diameter 500mm Focal Length 500mm Plastic Lens for solar collecting, magnifying, solar heating, solar projector fire starter

Six Seasons 2-Pack Round Fresnel Lens Diameter 220MM Focal Length 240mm Acrylic optical lenses for cooking outside, solar energy fresnel Magnifier large lens emegency fire starter DIY Solar Projector

2-Pack Round Fresnel Lens Diameter 120mm Focal Length 220mm Acrylic Ultrathin Magnifier for Solar Heating Experiment, Solar Concentrator, fire Cooking, Visual Education

2-Pack Fresnel Lens 230mm Focal Length 110/190mm Acrylic Ultrathin Magnifier for Solar Heating, Solar Concentrator, fire Starter, spot Lens, Visual Education