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Eyepiece×大井光機 - List of Manufacturers, Suppliers, Companies and Products

Eyepiece Product List

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Masuyama 20mm 85°

Masuyama 20mm 85°

A 3-county, 5-piece configuration without using a barlow lens! Especially recommended for binocular users.

We would like to introduce the 'Masuyama 20mm 85°' handled by Oi Koki. It features a 3-group, 5-element design without using a barlow lens. With fewer lens elements, it has a full multi-coating on the air surfaces, resulting in excellent light transmission. It is particularly recommended for binocular users, with a barrel diameter of 58mm, and it also comes with a rubber eyepiece. 【Features】 ■ 3-group, 5-element design without using a barlow lens ■ Fewer lens elements ■ Full multi-coating on the air surfaces for excellent light transmission ■ Barrel diameter of 58mm, with a rubber eyepiece included *For more details, please refer to the related links or feel free to contact us.

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Masuyama 32mm 85°

Masuyama 32mm 85°

Recommended for users with double vision! The hardware diameter is set to 58Φ, and a rubber viewing port has also been installed.

We would like to introduce the 'Masuyama 32mm 85°' handled by Oi Koki. It features a 3-group, 5-element design that does not use a barlow lens. With fewer lens elements, it has a full multi-coating on the air surfaces, resulting in excellent light transmission. Additionally, if you remove the rubber eyepiece and the eyepiece ring, you will find a thread cut for "M45 pitch 0.5." If you prepare a connection ring, you can connect it to a camera and take photographs. 【Features】 ■ 3-group, 5-element design without a barlow lens ■ Fewer lens elements ■ Full multi-coating on air surfaces for excellent light transmission ■ Especially recommended for binocular users ■ If you prepare a connection ring, you can connect it to a camera and take photographs *For more details, please refer to the related links or feel free to contact us.

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Masuyama 10mm 85°

Masuyama 10mm 85°

Rubber mouthpiece with rubber belt! The air surface is fully multi-coated, providing excellent airflow.

We would like to introduce the 'Masuyama 10mm 85°' handled by Oi Koki. It features a 3-group, 5-element design without using a barlow lens. With fewer lens elements, it has a fully multi-coated air surface, resulting in excellent light transmission. Additionally, the sleeve diameter is in American size, measuring 1.25 inches (Φ31.75). 【Features】 ■ 3-group, 5-element design without using a barlow lens ■ Fewer lens elements ■ Sleeve diameter is in American size, 1.25 inches (Φ31.75) ■ Includes rubber eyepiece and rubber belt *For more details, please refer to the related links or feel free to contact us.

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