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Application filed by Александр Александрович БубликfiledCriticalАлександр Александрович Бублик
Priority to UAU201307358UpriorityCriticalpatent/UA88173U/en
Publication of UA88173UpublicationCriticalpatent/UA88173U/en
A compact double-element infrared objective lens comprises two components with aspherical surfaces and aperture diaphragm. First component is made as a positive meniscus arranged by the concave surface to image space, second element is made in the same way as the positive one and arranged by the concave surface to the image space. The aperture diaphragm is arranged in front of the first component, and the objective lens surfaces are arranged as Forbes aspheres.