Positive Fresnel Lens SC 248
Description
Our SC series lenses are crafted through advanced injection molding and compression molding technologies, insuring a superior surface quality and by that optical performance.
The unique design of our polymer Fresnel lenses not only ensures optimal optical performance but also offers significant advantages. Compared to traditional glass lenses our lenses provide substantial weight, space and cost reductions making them indispensable in lighting, sensor, and machine vision applications.
At ORAFOL Fresnel Optics we take pride in offering comprehensive solutions, from optical design and prototyping to tooling and high-volume production. Whether you choose one of our standard products or opt for a custom solution, including high-volume production, we are committed to meet your specific requirements.
Customization options include precise trimming to desired shape, changing of thickness (>0.8 mm) and material (PMMA, Polycarbonate, silicone on glass), optical coating (reflective and anti-reflective coating of various kinds) and combination with other components (diffusive microstructures, microlens arrays) directly into the plano side of the lens. A completely new design of the microstructure specificly made for your application including tooling and prototyping is also possible. Contact us for details.
Positive Fresnel Lens SC 248
Specifications |
|
|---|---|
| Material: | PMMA Acrylic |
| Lens Type: | Non-Imaging - Spot, Positive |
| Focal Length: | 151.7 mm |
| Facet Spacing: | 0.127 mm |
| Fresnel Conjugate: | 151.7 mm |
| Clear Aperture: | 152.9 mm |
| Thickness: | 1.8 mm |
Features
- Lightweight, volume-efficient design
- High apertures and optically effective surfaces
- Cost-effective solutions for diverse applications
- Expertly crafted with cutting-edge technology
- Backed by ORAFOL Fresnel Optics' legacy of top-quality manufacturing
Applications
- Advanced lighting applications
- Optical sensor technology
- Machine vision systems
For pricing, technical or any other questions please contact the supplier
- No registration required
- No markups, no fees
- Direct contact with supplier
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How to order?
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Ships from:
Germany
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Sold by:
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On FindLight:
since 2020
Frequently Asked Questions
The focal lengths range from 6.3 mm to 763.4 mm, depending on the part number. Each lens is designed for different light management applications based on the focal length.
The standard thickness for most lenses is 1.8 mm, with some larger lenses at 2.5 mm. Custom thicknesses, starting from 0.8 mm, are also available upon request.
These lenses are primarily made of PMMA (Polymethyl methacrylate) with a refractive index of 1.49. Other materials may be available upon request.
The facet spacing varies from 0.076 mm to 0.762 mm, depending on the specific part number and focal length. Facet spacing directly influences the number of lines per millimeter.
Yes, special designs, thicknesses, and dimensions can be customized upon request to meet specific application needs. Contact the manufacturer for further customization options.
The clear aperture ranges from 6.4 mm to 600 mm depending on the lens, with potential outside diameters up to 5-20 mm larger than the listed aperture size.
The focal lengths are optimized for 546 nm wavelength light when using PMMA material, with a tolerance of ±5%.
To calculate the number of lines per millimeter, use the formula 1 divided by the facet spacing.
Yes, focal lengths have a tolerance of ±5%, and the standard thickness tolerance applies unless custom specifications are requested.
These Fresnel lenses are commonly used in light management, optical instruments, sensors, projection systems, and other precision optical applications.