Infrarot-Abbildungslinse
Anmelder: Nippon Electric Glass Co., Ltd. 🇯🇵
Details
- Veröffentlichungs-Nr.
- EP4782902
- Anmeldetag
- 6. September 2024
- Veröffentlichung
- 27. März 2025
- Rechtsraum
- EP
Abstract
Provided is a telephoto lens having excellent resolution. An infrared imaging lens (1) includes a first lens (L1), a second lens (L2), and a third lens (L3), each of which is made of a chalcogenide glass having a refractive index of 2.5 to 4.0 measured at a wavelength of 10 µm, the infrared imaging lens having a total system focal length which is not less than two times larger than a diameter of an image circle of the infrared imaging lens, each of the first lens and the third lens being a meniscus lens having a positive power, and the second lens being a meniscus lens having a negative power.
Anmelder
- Firma
- Nippon Electric Glass Co., Ltd.
- Land
- 🇯🇵 Japan
Nippon Electric Glass ist ein japanischer Glashersteller mit Sitz in Otsu, der Spezialglas für Displays, Glasfasern und optische Anwendungen produziert. Das Unternehmen gehört zur Nippon-Sheet-Glass-Gruppe.
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