In many conversations about art, linear perspective is presented as the way we really see.  In fact ...

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In many conversations about art, linear perspective is presented as the way we really see.  In fact, no one but a one eyed person, standing stationary, staring directly at the horizon ever sees as art is presented by linear perspective.  If you doubt me take a number of photographs of a scene or person, and assemble them as David Hockney has in his Polaroid collages, and you will see how the slightest turn of the camera changes perspective.