Infrared film has been used for decades - There are 2 basic types- black and white and colour. These films produce what is called false tonality or colour. With the colour films the range of colour can be altered by the use of filters placed over the lens. They can be used this way to reveal hidden aspects of a scene like - disease in plants etc - they also have an aesthetic quality and many photographers have use these films in the past with great effect.
It possible to simulate the Infrared effect in Black & White in photoshop -
Here we see the original image notice the deep blue sky, the green tree and the red coloured earth. |