Product Details
✓2-Pack large round Fresnel lenses, Φ300mm(11.81") diameter with 600mm(23.62") fixed focal length. Spacious viewing area for wide-range detail observation.
✓Serves as a large-area magnifier for seniors and people with low vision, convenient for reading fine print on books, medicine labels and daily documents.
✓Great optical component for building custom optical science kits. Supports a variety of light focusing experiments for science enthusiasts and hobbyists.
✓Lightweight flat PMMA structure, easy to install and assemble for homemade experimental frames and DIY solar heating constructions.
✓Safety Notice: This lens concentrates sunlight. Wear UV protective eyewear when using outdoors to prevent eye discomfort and skin burns from concentrated light. Made of high-transmittance optical grade PMMA.