There is one interesting fundamental difference betwee what we see with our eyes and what are camera lenses “see”. Consider that famous painting by Van Gogh of a chair in his asylum room. Anybody from the distant past of the 20th century would say, “As seen by a Pentax 28 mm lens real close.” These wide angle lenses do not distort. The front of the chair looks wider because it is closer to the lens. Our eyes correct. You see a doctor dressed in white in a green hospital passageway. You know it is white. You snap a shot and the white becomes green. I discovered all this here in a little essay. Look at the end to find out that Modigliani and Van Gogh saw accurately.