Crafted from optical-grade acrylic with up to 93% light transmittance, delivering efficient sunlight concentration for ignition and focusing tasks. 100mm diameter Flat-convex devise offers a wide focal area, suitable for outdoor fire starting, solar experiments, and macro photography lighting. Lightweight and shatter-resistant acrylic construction ensures safe handling and portability for camping, survival kits, and educational use. Versatile application range includes concentrating sunlight, igniting tinder, enlarging fine print, and creative decorative light effects. Each package includes 1 piece of 100mm fresnel lens; compatible with standard survival gear and optical toolkits for practical outdoor needs.
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