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  • Tamron DF010Q03 lens

Tamron DF010QA3 HD Vari-Focal Board-mount lens with IR Cut Filter and Stepper Motor Iris

Quick Overview

1/3" 3.0-9mm F/1.2 IR Mega-Pixel P-Iris

Demand for compact, integrated cameras is on the rise in the mega-pixel security camera market due to there installation efficiency and cost advantages. Tamron brought high-definition monitoring to the mega-pixel security camera market in 2008 with the Model DF010, a 3.0-9mm F/1.2 vari-focal lens for integrated camera, that supports both mega-pixel resolutions and infrared.

In addition, the spread of mini-dome cameras and development of image sensors with higher pixel counts has led to a strong demand for higher definition in monitoring images. Existing lenses could not fine-tune the iris to match the environment, so image quality degradation due to diffraction at smaller aperture in bright areas was common. Tamron has addressed this issue with Model DF010QA3, a vari-focal lens with P-iris technology incorporating a bipolar drive stepper motor for fine-tuning the iris. This enhancement produces high-definition, high-contrast monitoring images in a broader range of camera installation environments. 

There is often a drastic drop in image quality with ordinary lenses due to diffraction phenomenon caused by small apertures. Normally, a galvanometer is used to control the iris of the lens but precise adjustments of the aperture to a desired position were not possible. By using a stepper motor to control the iris, this lens is capable of adjusting the aperture to a position that does not cause diffraction, enabling an appropriate exposure level by utilizing the camera shutter speed.1 The result is the ability to record high quality, high contrast images, even in bright outdoor areas. This fine-tune control allows the user to acquire excellent image quality while at the same time achieve good depth of field at most installations.


  • Stepper motor design allows the precise control of the iris setting
  • While maintain resolution above a mega-pixel, the lens delivers a standard range of 3.0 - 9mm, and F/1.2 brightness. Tamron's proprietary optical design achieves high resolution and high contrast not only in the center but also at the image corners
  • Compact design is ready for installation on popular 3" mini-dome cameras
  • An infrared switching mechanism enables 24-hour surveillance, providing clear image quality even at night and near infrared lighting conditions, achieving true 24-hour surveillance.
  • Further improvement in corner resolution is realized over earlier model lenses with more than a mega-pixel in resolution.
  • Attention is paid to diverse CMOS sensor size in the image circle design.
  • Gear rings on the control ring enable remote control of focus and zoom. 
  • The lens is designed as an environmentally sensitive product.

  • *Connecting the lens to a camera that does not support the P-Iris technology may cause malfunction. The lens cannot be connected to cameras that use DC auto-iris or video auto iris lenses.



    Imager Size




    Focal Length


    Max Aperture 


    Zoom Ratio


    Angle of View

    Wide - 93.0° x 68.4°

    Angle of View

    Tele - 31.7° x 23.8°

    Focus Range 0.3m ~ INF

    Iris Type


    Focus Control

    Stepping Motor
    Stepping Motor Stepping Motor
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