Sometimes cheap lenses allow you to take pictures that good lenses would not. In this case, a cheaper, earlier camera had such deep depth of field that these two walls from the opposing side of a street at UCLA campus seem to be on the same plain. In reality they are perhaps 100 yards away from each other. With better lenses, and better cameras, one need to know more of the traditional rules to control the depth of field, such as the relationship between the iris and the shutter speed and or the size of the lens. Obviously, longer lenses have less or shallower depth of field, versus the wide angle lenses that have a deeper one. (www.alfaphotography.com)
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