
| Part Number | Prism Angle | Separation Angle | Facet Spacing | Clear Aperture | Prism Length | Thickness |
|---|---|---|---|---|---|---|
| PR 775 | 20° | 20° | 0.508 mm | 369.4 x 367.0 mm² | 369.4 mm | 2.5 mm |
| PR 765 | 30° | 32° | 2.000 mm | 164.9 x 164.7 mm² | 164.9 mm | 1.8 mm |
| PR 703 | 39° | 42° | 0.508 mm | 308.6 x 308.6 mm² | 308.6 mm | 1.8 mm |
| PR 757 | 45° | 51° | 1.016 mm | 256.4 x 206.9 mm² | 256.4 mm | 1.8 mm |
| PR 713 | 45° | 51° | 0.305 mm | 340.1 x 269.2 mm² | 340.1 mm | 1.8 mm |
Notes: • The standard material used is PMMA (refractive index = 1.49; relative dispersion = 58). Other materials are available. • The mentioned thickness value is our standard thickness. Other thicknesses (> 0.8 mm) are possible. • Outside diameter / size may be up to 5 - 20 mm beyond clear aperture. Other dimensions or special trimmings can be realized upon request. • To determine the number of lines per mm, use 1/facet spacing. • Special designs possible on request. • All specification are subject to change without prior notice. FOG_12; Rev. 6; ©2013 ORAFOL Fresnel Optics GmbH Engineered to Manage Light ™ Fresnel Optics ORAFOL Fresnel Optics GmbH Flurstedter Marktweg 13 • 99510 Apolda • Germany Tel.: +49 3644 5011 0 • Fax: +49 3644 501150 E-Mail: [email protected] • www.fresnel-optics.d
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