The Masuyama eyepieces are back with 5 elements in 3 groups and excellent light transmission!
The "Masuyama 16mm 85°" features a 3-group, 5-element design that does not use a barlow lens, resulting in a small number of lens elements. It is characterized by its excellent light transmission due to full multi-coating on the air surfaces. The sleeve diameter is 12.5 inches (Φ31.75), which is an American size. It comes with a rubber eyepiece and a rubber belt. 【Features】 ■ 3-group, 5-element design without a barlow lens ■ Fewer lens elements ■ Full multi-coating on air surfaces ■ Excellent light transmission *For more details, please download the PDF or feel free to contact us.
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【Specifications】 ■Focal Length (f): 16mm ■Apparent Field of View: 85° ■Eye Relief (ER): Approximately 10mm ■Body Size (Outer Diameter × Height): Approximately Φ41.5 × 68L ■Weight (g): Approximately 138g ■Sleeve Diameter: 1.25 inches (Φ31.75) American size ■Coating: Fully multi-coated *For more details, please download the PDF or feel free to contact us.
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For more details, please download the PDF or feel free to contact us.
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At Oi Optical Co., Ltd., we leverage our 65 years of experience to process optical components such as lenses and mirrors, ranging from small to large diameters. We handle everything from lens design and mechanical design to the completion of lenses with metal frames. We measure with our owned "Zygo" interferometer to ensure high-precision optical components are quality assured before shipment.
