Large Fresnel Lens 300 x 300mm, Acrylic Lens Focal Length 300mm Magnifiying Sheet Fire Starter for Solar Death Ray Solar Heating Oven Physics Experiment

Features: You will receive 1 pcs fresnel lens acrylic magnifying glass, which can clearly magnify various details, meeting both the needs of daily observation and scientific research. Note that it is not made of glass. Fresnel lens versatile for physics teaching demonstration solar heating experiment DIY solar craft tiny object magnifying scientific. Specifications: Material: acrylic Color: clear Size: 11.81 x 11.81 inch/ 300 x 300 mm Package includes: 1 x Acrylic fresnel lens Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays

• Large Size Focusing: our fresnel lens measures about 11.81 x 11.81 inch/ 300 x 300 mm in square shape with a focal length of around 11.81 inch/ 300 mm, it enables efficient solar energy concentration over a wide range, facilitating the implementation of solar heating experiments and DIY solar creative projects
• Lightweight Acrylic Material: this fresnel lens crafted from quality acrylic, this lens bypasses the cumbersomeness and fragility of traditional glass magnifiers; Lightweight and portable enough to fit in a backpack, suited for laboratory and outdoor scenarios
• Versatile Optical Functions: acrylic fresnel lens delivers powerful light concentration for solar related tests and presents clear optical refraction and projection phenomena, acting as intuitive visual aids for physics teaching demonstrations and scientific research
• Multi Scenario Application: acrylic magnifier suitable for physics demonstrations, solar heating experiments, DIY solar crafts, small object magnification observation and scientific research; A suitable pick for researchers and craft enthusiasts
• Essential Safety Reminder: wear sunglasses when operating under sunlight to avoid eye damage from glare; Keep the lens away from your body to prevent skin burns caused by elevated temperatures from concentrated solar energy