These images were all created by scanning 9" x 9" photographs at a resolution of 600 pixels per inch, the default scanning technique for AIRS. The below examples will allow you to determine the level of detail visible on digital scans of aerial photographs of different scales. Click on the images to view full size images.

100% Zoom 400% Zoom
 1 pixel on full view = 1 pixel in file Visible pixels on full view simulate
pixels in file.

1:9,600

9,600. 100% Zoom

1:9,600

9,600. 400% Zoom

1:12,000

12,000. 100% Zoom

1:12,000

12,000. 400% Zoom

1:20,000

20,000. 100% Zoom

1:20,000

20,000. 400% Zoom

1:36,000

36,000. 100% Zoom

1:36,000

36,000. 400% Zoom

1:40,000

40,000. 100% Zoom

1:40,000

40,000. 400% Zoom

1:48,000

62,500. 100% Zoom

 1:48,000

62,500. 400% Zoom