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Page 5 - Fresnel

LFQ500501 - Fresnel lens PMMA acrylic type
Knight Optical (UK) Ltd
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LFQ500501 - Fresnel lens PMMA acrylic type
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Fresnel lenses consist of a flat surface with interspaced, concentric steps whereby each step corresponds to the surface of a conventional lens. Each step thereby acts as a refractive surface, much like a prism. This gives the fresnel lens a common focal length equivalent to a traditional lens, but with a fraction ...

Specifications
Material: PMMA Acrylic
Lens Type: Spherical
Focal Length: 500 mm
Facet Spacing: 0.5 mm
Clear Aperture: 500 mm
Data Sheet
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LFQ400400 - Fresnel lens PMMA acrylic type
Knight Optical (UK) Ltd
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LFQ400400 - Fresnel lens PMMA acrylic type
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Fresnel lenses consist of a flat surface with interspaced, concentric steps whereby each step corresponds to the surface of a conventional lens. Each step thereby acts as a refractive surface, much like a prism. This gives the fresnel lens a common focal length equivalent to a traditional lens, but with a fraction ...

Specifications
Material: PMMA Acrylic
Lens Type: Spherical
Focal Length: 400 mm
Facet Spacing: 0.5 mm
Clear Aperture: 400 mm
Data Sheet
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LFQ600601 - Fresnel lens PMMA acrylic type
Knight Optical (UK) Ltd
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LFQ600601 - Fresnel lens PMMA acrylic type
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Fresnel lenses consist of a flat surface with interspaced, concentric steps whereby each step corresponds to the surface of a conventional lens. Each step thereby acts as a refractive surface, much like a prism. This gives the fresnel lens a common focal length equivalent to a traditional lens, but with a fraction ...

Specifications
Material: PMMA Acrylic
Lens Type: Spherical
Focal Length: 600 mm
Facet Spacing: 0.5 mm
Clear Aperture: 600 mm
Data Sheet
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LFQ300300 - Fresnel lens PMMA acrylic type
Knight Optical (UK) Ltd
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LFQ300300 - Fresnel lens PMMA acrylic type
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Fresnel lenses consist of a flat surface with interspaced, concentric steps whereby each step corresponds to the surface of a conventional lens. Each step thereby acts as a refractive surface, much like a prism. This gives the fresnel lens a common focal length equivalent to a traditional lens, but with a fraction ...

Specifications
Material: PMMA Acrylic
Lens Type: Spherical
Focal Length: 300 mm
Facet Spacing: 0.5 mm
Clear Aperture: 300 mm
Data Sheet
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LFQ275400 - Fresnel lens PMMA acrylic type
Knight Optical (UK) Ltd
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LFQ275400 - Fresnel lens PMMA acrylic type
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Fresnel lenses consist of a flat surface with interspaced, concentric steps whereby each step corresponds to the surface of a conventional lens. Each step thereby acts as a refractive surface, much like a prism. This gives the fresnel lens a common focal length equivalent to a traditional lens, but with a fraction of the thickness. ...

Specifications
Material: PMMA Acrylic
Lens Type: Spherical
Focal Length: 275 mm
Facet Spacing: 0.5 mm
Clear Aperture: 400 mm
Data Sheet
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LFQ100200 - Fresnel lens PMMA acrylic type
Knight Optical (UK) Ltd
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LFQ100200 - Fresnel lens PMMA acrylic type
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Fresnel lenses consist of a flat surface with interspaced, concentric steps whereby each step corresponds to the surface of a conventional lens. Each step thereby acts as a refractive surface, much like a prism. This gives the fresnel lens a common focal length equivalent to a traditional lens, but with a fraction of the thickness. ...

Specifications
Material: PMMA Acrylic
Lens Type: Spherical
Focal Length: 100 mm
Facet Spacing: 0.5 mm
Clear Aperture: 200 mm
Data Sheet
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LFQ20100 - Fresnel lens PMMA acrylic type
Knight Optical (UK) Ltd
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LFQ20100 - Fresnel lens PMMA acrylic type
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Fresnel lenses consist of a flat surface with interspaced, concentric steps whereby each step corresponds to the surface of a conventional lens. Each step thereby acts as a refractive surface, much like a prism. This gives the fresnel lens a common focal length equivalent to a traditional lens, but with a fraction of the thickness. ...

Specifications
Material: PMMA Acrylic
Lens Type: Spherical
Focal Length: 20 mm
Facet Spacing: 0.5 mm
Clear Aperture: 100 mm
Data Sheet
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