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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. Additionally, because the lens is so thin little light is lost by absorption. Although the image quality is generally poor, fresnel lenses can be desirable for use in condenser and lighting systems to collimate and collect light in equipment such as sensors or communication systems. Fresnel lenses can be used as magnifiers, but this is not recommended unless the thin profile and light weight is absolutely necessary. Fresnel PMMA lenses are also ideal for simulators and projection systems.

This stock range of cylindrical fresnel lenses focus light in one direction rather than focusing to a point. This range of cylindrical fresnel lenses is uncoated however antireflective coatings can be applied at short notice.  
The lens runs parallel to the length of the part.

Focal Length:
Design Condition:
PMMA Acrylic
± 5%
Parallel light to length of part

Cutting down of stock lenses to custom sizes.
Antireflective coatings.
Other focal lengths and aperture sizes available at short notice.

12 Items

Name Focal Length (mm) Clear Aperture (mm) Overall Size (mm) Facet Width (mm) Thickness (mm) Type Price Buy
LFF07100 7 100x14 100x14 0.1 2 Cylindrical/Linear
LFF07140 7 140x70 140x70 0.3 2 Cylindrical/Linear
LFF08100 8 100x16 100x16 0.1 2 Cylindrical/Linear
LFF09100 9 100x18 100x18 0.1 2 Cylindrical/Linear
LFF10100 10 100x20 100x20 0.1 2 Cylindrical/Linear
LFF4090 40 90x22 90x22 0.5 2 Cylindrical/Linear
LFF45120 45 120x50 120x50 0.2 2 Cylindrical/Linear
LFF50100 50 100x30 100x30 0.3 2 Cylindrical/Linear
LFF9570 95 70x30 70x30 0.3 2 Cylindrical/Linear
LFF100100 100 100x30 100x30 0.3 2 Cylindrical/Linear
LFY150300 150 300x100 300x100 0.3 2 Cylindrical/Linear
LFY15276 152 76x76 76x76 0.37 1.5 Cylindrical/Linear

12 Items


Cylindrical Fresnel Lenses

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Thickness (mm)
Clear Aperture (mm)
Facet Width (mm)
Overall Size (mm)