✅ 1pcs Large Aperture & Premium Optics Adopting high-purity German optical PMMA, this 500mm ultra-large aperture lens boasts supreme light transmittance with zero distortion and impurity. It restores true colors and delicate details, delivering professional optical performance that outperforms ordinary acrylic lenses.
✅ Strong Focusing Power & Uniform Light Spots Designed with an optimized light-gathering structure for even light distribution and minimal energy loss. It reaches up to 971°F focal temperature under 86°F sunlight with superior thermal efficiency, ideal for solar thermal experiments, PV tests and optical DIY projects.
✅ 3.0X Eye-Friendly Golden Magnification Features a precisely calibrated 3.0X golden magnification ratio for ultra-clear, natural enlarged views. Free of over-amplification and eye strain, it suits physics classroom demonstrations, fine observation and long-time low-vision auxiliary reading.
✅ Lightweight & Easy Quick Setup Featured with a lightweight body, this lens is burden-free to carry and store. It fits indoor teaching, laboratory research and outdoor use effortlessly.
✅ Reliable Quality: Produced by a professional manufacturer of Fresnel optical components; we provide 100% original products with reliable Amazon brand credibility and offer custom size services
✅ Safety Precautions: Always wear UV-protective glasses when using in sunlight; avoid direct skin contact with concentrated focal heat to prevent thermal burns.






Product description
Fresnel Lens
About Us | Professional Optical Lens Manufacturer
Six Season specializes in manufacturing high-precision optical lenses, including Fresnel lenses, spherical lenses, beam splitters and color prisms. We focus on product innovation and strict quality control. Custom design and OEM production are available to meet your unique requirements.

Fresnel Lens
Harness the Power of the Sun
This large-diameter Fresnel lens measures 500mm across with a 600mm focal length, made from high-quality PMMA acrylic with an impressive 92% light transmittance across a broad spectrum. At just 3mm thick, it delivers powerful light-focusing performance while remaining lightweight and easy to handle. Designed for solar concentrating, DIY solar heating projects, scientific research, and educational demonstrations, this lens is a versatile tool for anyone exploring the potential of solar energy. Its durable acrylic construction and efficient groove pitch make it a reliable choice for a wide range of applications.

Point focal length Fresnel lens
Point focal length Fresnel lens
Product Specifications at a Glance
Built to precise optical tolerances, this Fresnel lens combines a 500mm diameter with a 600mm focal length and a fine 0.5mm groove pitch for sharply focused light output. Whether you are setting up a solar concentrator, exploring photovoltaic applications, or conducting classroom demonstrations, these specs deliver consistent, repeatable results you can count on.

[Product name] Fresnel lens
[Material] PMMA
[size] Diameter 500 mm
[grain length] 0.5 mm
[thickness] 3 mm
[light transmission] 93%
Harness the Power of the Sun with Precision Optics
This large-diameter Fresnel lens is engineered for high-performance solar concentrating, scientific research, and hands-on educational demonstrations. Crafted from premium PMMA acrylic, it delivers up to 92% light transmittance across a broad 400–1100nm spectrum, making it a reliable and efficient tool for solar heating projects, DIY experiments, and optical research. Its slim 3mm profile keeps it lightweight without compromising on power or durability.

Superior Optical Performance | Up to 92% High Light Transmittance
Features evenly focused light spots with minimal energy loss. It optimizes solar conversion performance and improves safety for long-term use.
Under 86°F sunlight, its large aperture generates intense heat up to 971°F. Featuring leading thermal efficiency, it is a great choice for high-power photovoltaic and heating applications
Lightweight build for effortless portability. It brings no extra burden and ensures all-day comfort even with prolonged use.
Heat giant Fresnel lenses by concentrating light, It can be used in solar heat accumulation experiments and DIY projects
Tips: Wear sunglasses when using, so that the light is not too strong to damage the eyes
Temperature measurement

High-Performance Solar Thermal Experiment
Ideal for solar thermal experiments and optical DIY assembly. The 500mm large effective aperture delivers powerful energy gathering, reaching 971°F focal temperature under 86°F sunlight. Uniform light spots minimize energy loss, ensuring stable and accurate data for PV tests and various optical DIY projects.

physics teaching

Physics Optics Education
Fresnel lenses can provide powerful light concentration capabilities for solar-related tests, and present clear optical refraction and projection phenomena. They are intuitive visual aids for physics teaching demonstrations and scientific research.

Ultra-clear wide field of view

Wide, Ultra-Clear Field of View
full-screen magnification. At one time, it can incorporate the entire page of the book. Say goodbye to the cumbersome process of focusing on a part. Even when observing for a long time, it remains comfortable and does not strain your eyes.

Emergency survival heating 

Emergency Solar Heating
No need for fuel, not afraid of moisture. Sunlight is the energy for survival. By utilizing the pure physical principle of concentrating light, it can be relied upon as your most trustworthy companion during your exploration, regardless of the extreme outdoor conditions you may encounter.