BEXCO
✓Price
$23.99
PATIKIL Fresnel Lens, 100mm Diameter Acrylic Lens Solar Focal Length 50mm Magnifier Glass for Solar Heating Small Magnifier Physics Teaching, Transparent
★★★★★
$23.99
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1
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About this item
- Specifications: Material: Acrylic; Size: 100 x 2mm / 3.9 x 0.08 inch (Dia * H); Focal Length: 50mm / 2 inch; Packing List: 1 x Fresnel Lens
- This Fresnel lens is a versatile magnifying glass. Suitable for focusing light in solar heating experiments and small DIY solar projects, its high light transmittance and efficient focusing ability concentrate sunlight to generate heat. Furthermore, this lens is a perfect tool for physics teaching; it can also be used in lighting glass, instruments, artwork, projectors, projection lamps, photographic equipment, etc.
- Advantages: This Fresnel lens is made of optical-grade acrylic material, offering high precision, high light focusing efficiency, and high transparency, ensuring light passes through with minimal loss while reducing optical distortion. The lens is small and lightweight, making it easy to carry and store.
- Instruction: Using a Fresnel lens is very simple. When conducting solar heating experiments, point the lens at the sun and adjust the angle to concentrate sunlight onto the desired area to the maximum extent. When using the lens for magnification, ensure the object is within the lens's focal length for a clear image. For cleaning, the lens can be easily cleaned with a soft, dry cloth to maintain its transparency and optical performance.
- NOTES: Avoid touching the lens surface with your fingers to prevent affecting light transmission. When not in use, store the lens in a cool, dry place, away from direct sunlight to prevent deformation or damage.
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What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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