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Normal Vari-Focal Lens With Manual Iris

The Tamron 13VM-550ASII is a normal vari-focal lens with a manual iris. Near-infrared radiation refracts differently from visible light, causing blurring in video footage captured in the near-infrared spectrum. The Tamron High Resolution IR Lens Series utilizes cuffing-edge optical design technology and advanced low-dispersion glass to converge the focal points of visible light and near-infrared radiation, providing exceptionally sharp image quality 24-hours a day.

Tamron’s High Resolution IR Vari-Focal Lenses incorporate Aspherical elements and ID (Low-Dispersion) glass to provide a resolution of 650W lines. The resolution at the image corners has been improved by more than 50% over conventional models to provide superb image quality over the entire image field.

The focal point of the near-Infrared spectrum is corrected to match that & visible light to provide exceptional image quality over the entire range of wavelengths from visible light to near-Infrared. The fast aperture of F/1.0 enhances the overall sensitivity of Day & Night cameras, allowing operation In color mode under dimmer lighting conditions than with conventional F/1.2 and F/1 .4 lenses.

The 13VM550AS-II features a focal length of 5-50mm with an aperture range of 1.4-close. With the advance of high-resolution cameras and the rapid digitization of recording systems, there is a growing demand for GCTV camera lenses that can provide high resolution across the entire screen. As a leading manufacturer of integrated optics, Tamron now offers a lineup of high resolution Van-Focal lenses that meet today’s demand for Image resolution, while maintaining a compact and easy-to-install design.

Tamron’s devotion to image quality is evident in the exceptional image resolution. Our high resolution Van-Focal Lenses provide a resolution of 650 TV lines over the full range of aperture sizes. Multi-coating Is applied to key lens a surfaces to minimize ghosting and flare. The result is consistently sharp contrast and excellent image quality. Each control ring for zoom, focus and iris* can be independently locked to prevent deviation after installation. (*Manual iris only)

Each lens is equipped with a slip-mount mechanism that allows rotational adjustment of the lens after it is mounted on the camera. This allows optimal positioning of the auto-iris actuator and cable during installation. All lens components are produced using advanced, high-precision manufacturing technologies to prevent image defects such as local blur and focus shift.

Imager Size 1/3
Mount Type CS
Focal Length 5 - 50mm
Aperture Range 1.4 - Close
Angle of View (Horizontal x Vertical) 1/3: Wide - 53.6° x 40.3°/Tele - 5.6° x 4.2°
1/4: Wide - 40.3° x 30.1°/Tele - 4.2° x 3.1°
Focusing Range 0.3m - ∞
Operation Focus: Manual
Zoom: Manual
Iris: Manual
Back Focus (in air) Wide 10.05 - Tele 11.81mm
Weight 1 lb.
Operating Temperature -20°C - 60°C


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Prices and specifications subject to change without notice.