Fresnel Lens

 フレネルレンズ 菲涅尔透镜
Fresnel Lens
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Fresnel Lens

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What is

Fresnel Lens

The Fresnel lens (pronounced /freɪˈnɛl/ fray-NELL) was invented by French physicist Augustine Fresnel in 1822, the Augustin Fresnel first used this lens design to build a glass Fresnel lens for lighthouse.
The Fresnel lens is a thin, flat optical lens which consists of a series of small narrow concentric grooves on the surface of a lightweight plastic sheet in order to reduce the thickness, weight and cost. Each groove is at a slightly different angle. Every groove can be considered as an individual small lens to bend parallel Fresnel light waves and focus the light. The Fresnel lens now can be made from plastic such as acrylic fresnel lens, PVC fresnel lens and HDPE PIR fresnel lens. A traditional glass convex lens would be thick, heavy and very expensive, but a plastic Fresnel lens is a thin, flat, lightweight and low cost alternative. The Fresnel lens is a good solution for quality image and efficiency at a lower price.

Application of

Fresnel Lens

The applications for Fresnel lenses include fresnel lighting, fresnel lamp, lighthouse, overhead projector, Fresnel magnifier, Fresnel TV projection, camera spotlight lens, automobile headlight, fresnel lens solar energy, rear projection Fresnel screen, PIR passive motion detector, traffic sign, fresnel lens photovoltaic, fresnel solar concentrator, fresnel flight simulator, optical fresnel landing system and LED magnifier.

Types of

Fresnel Lens

Types of Fresnel lens: positive Fresnel lens, negative Fresnel lens, Fresnel lens array, linear Fresnel lens, cylindrical Fresnel lens, circular Fresnel lens, lenticular Fresnel lens, diffraction Fresnel, Fresnel reflection, Fresnel beamsplitter and Fresnel prism.

Advantages of

Fresnel Lens

The Fresnel lens can be designed and manufactured in large size with light weight, so the cost will be lower than traditional glass magnifiers. Significantly reduced lens thickness results in a substantial savings in material cost. Fresnel lenses can reduce weight, which reduces mounting and assembly cost.

Fresnel Lens

Manufacturer manufacture and sell Fresnel Lens online.

* My fresnel lenses arrive FASTER from you overseas than from my other supplier in the USA. I get a higher quality product at a lower price. Steven (United States)
* I received the fresnel lens today! I am very happy! Quality is superb!!!! Jean (France)
* Excellent fresnel lens recieved once again! your fresnel lense are still going very well. Liam (United Kingdom)
* I have just received the fresnel lens I ordered last week. Your service is extremely fast and efficient. Mark (Australia)
* Thank for your excellent, reliable service. The fresnel lens quality is the best I've found anywhere. Nurhadi (Australia)
* The Fresnel lenses are excellent, they appear to be top quality. Paul (England)
* Thank you much for the fresnel lenses, they are the best I have seen. Liam (UK)
* WOW!! That was a very prompt shipment! I received my #A260 fresnel lenses a week after I ordered! And they work beautifully!! Dianne (Montreal, Canada)
* I received the fresnel lenses in perfect condition .. Extremely fast delivery, great quality and cool effect. Troels (Denmark)
* I got your #F550 fresnel lens and other lenses yesterday. I installed it in my DIY LCD projector, and the image looks great! Thanks for selling this fresnel lens at such a reasonable price! John Hatlestad (USA)
* I've got my fresnel lense #F550 today. I'm so happy because the order arrived so unexpectedly fast! The fresnel lens looks good... Radoslaw (Poland)
* Thank you for the fast delivery. This fresnel lens #F550 by far is the best I've seen and worked with to date in the hobby of LCD projector building. Gary Cooper (Australia)
* ... I am very satisfied with the quality #A395 large fresnel lens and the shipment was very fast. After I ordered, it took only one week until the lenses arrived. Jan (Germany)
* #A310a fresnel lens arrived this morning in perfect condition, the lightning speed you guys attended to my inquiries. Tua (New Zealand)
* I have received my #A395 large fresnel lenses and am impressed with their quality Jim (Canada)
* ... I am very satisfied with the quality, thank you! I'm using the fresnel lens for TV projection, and I got a better result from #A260 large fresnel lens. Rodrigo (Brazil)

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