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High Resolution Lens Series
High Resolution IR Vari-Focal Lens
f=4-12mm (Model: 12VM412ASIR)
TAMRON
Providing Exceptional Image Quality In The Visible And Near Infrared Spectrums
Near Infrared radiation differently from visible light, causing blurring in video footage captured in the near infrared sprectrum. The Tamron High Resolution IR Lens Series utilizes cutting-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.
Quick Focus Comparison Between Tamron IR Lenses And Conventional Lenses
650 TV Line Resolution
Tamron's High Resolution IR Vari-Focal lenses incorporate Aspherical elements and LD(Low-Dispersion) glass to provide a resolution of 650 TV lines. The resolution at the image corners has been improved by more than 50% over corventional models to provide superb image quality over the entire image field.
IR Corrrection Feature
The focal point of the near infrared spectrum is corrected to match that of visible light to provide exceptional image quality over the entire range of wavelengths from visible light to near infrared.
Fast Apertureof F/1.0
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.
SPECIFICATIONS
Model No. 12VM412ASIR
Imager Size 1/2″
Focal Length 4–12mm
Mount C-Mount
Aperture Range F1.2–Close
Focal Length 0.3m–∞
Angle of View
(Horizontal 
× Vertical)
1/2″ WIDE 93.7°×68.9°
TELE 31.2°×23.4°
1/3″ WIDE 68.9°×51.1°
TELE 23.4°×17.5°
Operation Focus Manual with Lock
Zoom Manual with Lock
Iris Manual with Lock
Filter Size
Back Focus(in Air) Wide 10.157–Tele 19.911mm
Wave Size Visible Light–Infrared Light
Weight 58g
Operating Temperature -20℃–+60℃

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