Vintage Swift TecnaR 8×30 Wide Angle binoculars, made in Japan.

A classic Japanese Porro-prism binocular marked TECNaR / TECNAR by SWIFT, with 8×30, WIDE ANGLE, COATED OPTICS, and JAPAN markings.

The binoculars are also marked JB139, identifying the Japanese manufacturer as Busho Kogaku Seisakujo Inc. The serial number is 880068.

Specifications

• Brand: Swift / TecnaR
• Model: TecnaR 8×30 Wide Angle
• Magnification: 8×
• Objective diameter: 30 mm
• Field of view: 446 ft at 1,000 yards (approx. 148.7 m at 1,000 m)
• Prism type: Porro
• Optics: Coated
• Focus: Central focusing
• Diopter: Individual diopter adjustment
• Country of manufacture: Japan
• Japanese maker code: JB139
• Serial number: 880068

The wide-angle specification gives these binoculars an approximately 8.5° field of view, which is notably wide for a compact 8×30 binocular.

Condition

Good vintage condition with visible signs of age and use. The black exterior shows areas of wear and chipped finish, consistent with its age.

The binoculars are structurally intact and the optics appear in good vintage condition. Please examine all photographs carefully, as the photos form an important part of the condition description.

A nice example of a vintage Japanese wide-angle binocular for collectors of classic optics, vintage photography equipment, or Japanese-made binoculars.

The exact production year is not documented; the model is generally associated with the 1960s–1970s period.

What you see in the photographs is exactly what is included.