Fresnel Lens Group High Precision Fresnel Lens B FL:90~170mm-High precision Fresnel lens B FL 90mm

Fresnel Lens Group High Precision Fresnel Lens B FL:90~170mm
Koyo Co., Ltd.

About This Product

A Fresnel lens is an optical element with a special shape invented by the Frenchman Augustin Jean Fresnel. This is a lens that reduces the thickness of a normal lens by dividing it into concentric areas.

It consists of an acrylic lens with a flat surface and precise concentric circles, and has optical properties similar to ordinary optical lenses.

■What is Fresnel lens?This lens was created using the Fresnel diffraction principle proposed by Augustin Jean Fresnel (France), and is an acrylic lens with a flat surface that has virtually the same optical properties as a normal curved lens. Fresnel lenses are composed of precisely shaped concentric grooves, each groove surface forming a different angle and depth, allowing incident light to be refracted and transmitted.

This results in a large-diameter groove-shaped lens, which offers advantages in shape and economic efficiency such as light weight and low cost that cannot be obtained with ordinary glass lenses. Another advantage of the material is that it is easy to machine, and has superior light transmittance compared to uncoated short glass lenses, achieving a transmittance of over 90% for visible light wavelengths.

■Applications of Fresnel lensesIt has been applied to camera viewing lenses, condenser lenses for overhead projectors, rear projection screens, and in recent years, it has also been used to collect light to utilize solar energy, as well as LED lighting lenses and lenses for optical sensors.

■fresnel technologies inc. SINCE 1986Fresnel Technologies, Inc. specializes in the design and manufacture of molded plastic Fresnel lenses, molded polymer optical components in general, and infrared transparent optical materials. We offer design assistance, diamond processing, prototyping, tooling, and manufacturing. Stock or custom, we are your optical partner.

Headquarters address: 101 W Morningside Dr, Fort Worth, TX 76110.USA

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Fresnel Lens Group High Precision Fresnel Lens B FL:90~170mm

Handling Company
Koyo Co., Ltd.

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Optical Components

Fresnel Lenses

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1 Models of Fresnel Lens Group High Precision Fresnel Lens B FL:90~170mm

Image	Part Number	Price (excluding tax)	Number of grooves	Material	Effective size/mm	Product number	Thickness	Tolerance of all sizes	All sizes/mm	FL error	FL/mm	Code
	High precision Fresnel lens B FL 90mm	$ 58.50〜	2 pieces/mm	Optical performance acrylic	180	PF-11	2mm common	±-5%	190×190	±-2%	90	4241

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About Company Handling This Product

Koyo Co., Ltd.

Japan

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Fresnel Lens Group High Precision Fresnel Lens B FL:90~170mm Koyo Co., Ltd.

About This Product

■What is Fresnel lens?

■Applications of Fresnel lenses

■fresnel technologies inc. SINCE 1986

1 Models of Fresnel Lens Group High Precision Fresnel Lens B FL:90~170mm

High precision Fresnel lens B FL 90mm

Customers who viewed this product also viewed

Other products of Koyo Co., Ltd.

About Company Handling This Product

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Fresnel Lens Group High Precision Fresnel Lens B FL:90~170mm
Koyo Co., Ltd.