Six Seasons Φ200mm(7.87") Fresnel Lens, 100mm(3.94") Focal Length PMMA, 2.5X Magnifier for Optical Thermal Experiments, Precision Inspection & Spotlight Modification

Six Seasons Φ200mm(7.87") Fresnel Lens, 100mm(3.94") Focal Length PMMA, 2.5X Magnifier for Optical Thermal Experiments, Precision Inspection & Spotlight Modification

• Product Specifications: 1 piece per package, 7.87-inch diameter Fresnel lens, focal length 3.93 inches (100mm), thickness 2mm, made of high-quality PMMA (acrylic) with excellent light transmittance.
• ✅ 1.Φ200mm(7.87") round Fresnel lens with 100mm(3.94") fixed focal length. Supports efficient light focusing for optical light-to-heat conversion experimental research.
• ✅ 2. Offers 2.5X magnification, striking a nice balance between wide viewing coverage and clear close-up detail observation.
• ✅ 3. Short focal length supports long-range narrow beam shaping, suitable for custom industrial and outdoor DIY spotlight assembly projects.
• ✅ 4. Constructed from optical-grade PMMA, lightweight and shatter-resistant, delivering steady light transmittance for continuous experimental use.
• ✅ 5. Ultra-thin flat panel, easy to trim and mount, adaptable for various homemade optical frames and custom lighting setups.