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Personne àcontacter Ms. Louise
D2,Molding Tool Industrial Park, No.199, Xiqu Avenue,Hitech District, Chengdu, Sichuan
Tilt angle with respect to the horizon line is *5±5º Two different wavelength light beam go through the lens in parallel Focus on spot sized dia. 2mm Applications: Fresnel lenses are widely used in various sections: Projection display Solar Concentration Aviation & Marine Lighting Optics PIR Detection Scientific Research