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Photograph Examples

Example of Digital Photographs with Different Proportions of Visible and Infrared Light

photograph with proper balance of RGB light

Visible light only, with proper balance of red, green, and blue light.

IR filter removed, so RGB and IR light reaches the camera sensor

Visible and near infrared light are reaching the camera sensor.

Only near IR light reaches the camera sensor

Only the near infrared light is reaching the camera sensor. The color is caused 
by the three sets of small colored filters inside the camera letting different
amounts of near infrared through. The reddish tint suggests that the red filters 
pass greater amounts of infrared than the other two, with the blue filter letting
more through than the green, as indicated by the purplish tint to the sky.

Only near IR light reaches the sensor

Only the near infrared light is reaching the camera sensor. The color tinting 
caused by the colored filters letting different amounts of infrared through has 
been removed with software.