For applications such as the objective lens of a telescope and collimation of semiconductor lasers!
The "color-correcting achromatic lens" is a lens that corrects chromatic aberration and spherical aberration by combining two lenses with different refractive indices and surface profiles. Depending on the conditions, it is also possible to satisfy the Marechal criterion. We offer two types of anti-reflective coatings for the Sugito achromatic lens. If you require different design wavelengths or outer diameters, please contact us. 【Specifications】 ■ Design wavelength: 587.6nm (d line) ■ Chamfering (45°) ・φ3–5: 0.1mm ・φ10–100: 0.2mm ■ Surface quality: MIL60-40 ■ Coating: Multi-coat 400–700nm, Magenta coat 540nm *For more details, please download the PDF or feel free to contact us.
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basic information
【Tolerance】 ■Diameter: +0mm/-0.1mm ■Center thickness: ±0.2mm ■Focal length: ±2% ■Eccentricity: Within 3 minutes ■Surface quality: MIL60-40 *For more details, please download the PDF or feel free to contact us.
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Applications/Examples of results
【Main Uses】 ■ Binoculars ■ Cameras ■ Relay Lenses ■ Teleconverters ■ Wide Converters ■ Eyepieces ■ Objective Lenses for Telescopes ■ Collimation of Semiconductor Lasers, etc. *For more details, please download the PDF or feel free to contact us.
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Company information
This is an optical manufacturer with over 110 years of history, originating from Sugita Glass Instrument Store founded by Tōtarō Sugita in 1906 (Meiji 39). The main business is the research and manufacturing of glass, and for many years, it has supplied a wide variety of glass products to various fields. In 1982, the company changed its name to Sugito Co., Ltd. and promoted business expansion, designing, developing, manufacturing, and selling optical elements such as optical lenses and prisms, glass products like special lenses and magnifying glasses, as well as optical products and components including macro zoom lenses, microscopes, various scopes, and inspection equipment. Additionally, in 1993, a factory was newly established in Thailand to enhance the production capacity of glass products and lenses. The company keeps standard optical elements and lens systems in stock at all times and can sell from a single unit. It also handles the design, development, and manufacturing of optical elements and lens systems according to customer requests, so please feel free to inquire.
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