David Hockney ‘On Secret Knowledge: On Rediscovering The Lost Secrets Of The Old Masters’:
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Optical devices were likely common practice more than is commonly known these days, way before the camera, the television etc.
As previously posted:
Just as optics revolutionized the sciences and the boundaries of human knowledge, from Galileo to Newton and onwards, Tim Jenison wonders if optics may have revolutionized the arts as well.
‘But still, exactly how did Vermeer do it? One day, in the bathtub, Jenison had a eureka moment: a mirror. If the lens focused its image onto a small, angled mirror, and the mirror was placed just between the painter’s eye and the canvas, by glancing back and forth he could copy that bit of image until the color and tone precisely matched the reflected bit of reality.’
Good Vermeer page here for a refresher on the Dutch master.
Penn & Teller helped make a documentary which has gotten good reviews, entitled ‘Tim’s Vermeer.‘
Perhaps only the Girl With The Pearl Earring knows for sure if the painter used such a technique:
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Interesting quotation from Quora, on Richard Feynman’s discussion of light in ‘QED: The Strange Theory Of Light And Matter’:
‘Mirrors and pools of water work pretty much the same way. Light interacts with electrons on the surface. Under the laws of quantum mechanics, each photon interacts with ALL of the electrons on the surface, and the net result is the sum of all possible pathways. If the surface is perfectly smooth, then most of the pathways cancel each other out, except for the one where the angle of incidence equals the angle of reflection. ‘
Click through for the illustrations to help explain Feynman’s theory, which fascinated me when I first came across it; much as I understand of it.
Have you ever seen sunlight reflecting off a body of water from a few thousand feet up in a plane? A rainbow in a puddle with some oil in it? A laser reflecting off a smooth surface like a mirror?
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