On a CIR photo, infrared energy is represented by tones of red. It is most commonly used for vegetation studies. Color Photos Aerial photographs produced in color are less common and more expensive but can be more useful because the human eye can discriminate between color variations better than shades of gray.
Contact Print Describes a photograph produced directly from a negative of the same size.
An aerial photo copied to paper by a process similar to blueprint production. The image usually appears in shades of blue but can be black and white. Digital Print A computer reproduction of a contact print. The scale can be changed to meet most needs. Mosaic A series of overlapping aerial photos that form a composite image of a larger area.