Figure 7.

Two photographs of the same perspective scene. Darlene Hildebrandt, a professional photographer working from Edmonton, Alberta, Canada, took both pictures (https://www.digitalphotomentor.com/5-mistakes-beginners-make-using-a-wide-angle-lens-and-how-to-avoid-them/). (a) The picture was taken with a full-frame camera equipped with a short lens having a focal length of 17 mm and a field of view of 104°. (b) This picture was taken with a long lens (FL 75 mm, FoV 32°). Pictures were used for this study after written consent of the photographer.