There are two terms that describe the angle at which a photograph is taken from the aircraft.

     This type of aerial photograph is as though you are looking straight down from the belly of the aircraft. This type of image can be rectified to any datum / projection required. The resulting image consists of an encoded tiff file that has Lat/Long, Eastings/ Northings and X/Y coordinates. It is normally set to a particular scale.

Sample of Oblique Image
     This type of aerial photograph is generally taken out the window of the aircraft. Normally we take 4 different views of a requested site. Two from each front corner of the property and two from the back corners of the property. This type of photgraph gives the viewer a more common perspective of the site. This type of photograph is commonly used for more aesthetic purposes.

Click here to learn more about scale and resolution.