How Do We Know Pinhole Cameras Existed Before The Nineteenth Century

Today, cameras without moving picture. The Academy of Houston's College of Engineering science presents this series virtually the machines that make our civilization run, and the people whose ingenuity created them.

We've recently been seeing manufactures by historians who believe that many of the sometime masters used a mechanical assist for their painting -- something that reported the scenes with greater precision than their own optics would have. Philip Steadman's new book, Vermeer'due south Camera, analyses ten paintings. Each shows exactly what one would've seen from a single point. These are literally views through a pinhole photographic camera. They could be photographs.

So let's await at the give-and-take camera. Information technology'south Latin for a big vaulted room. From camera we go the give-and-take chamber. (A comrade is literally someone who sits in the same room with us.) We take our give-and-take photographic camera from an ancient device, perhaps the very device used by Vermeer, chosen a camera obscura
-- literally, a dark room.

Imagine a totally dark room with a tiny hole through one wall. That hole projects an authentic image of the exterior world onto the reverse wall. Without film, we can't really take a picture with it, but we tin can trace the image with a pen. Aristotle was familiar with that thought, and medieval writers had a lot to say about it.

When I was immature, photographic film was pretty slow, and information technology came in big sizes. We used the camera obscura idea to make something called a pinhole camera. Nosotros'd punch a pinhole in 1 end of a shoebox and mountain movie on the opposite end, with everything sealed up tightly. Then we'd point the box at a subject area, uncover the pinhole for but a moment, and we'd become a passable photo.

Of course no one put film in a camera until the nineteenth century, but cameras had lenses as early as the sixteenth century. Kepler, who used one with a fairly complicated lens system to make solar observations in 1600, coined the term camera obscura.

The historic period of optical instruments was then upon us. At present we would come across telescopes and microscopes, as well as elaborate photographic camera obscuras. Nosotros also began seeing remarkable improvements in the manner painters handled perspective. Vermeer lived at the very apogee of this optical renaissance.

Thus photography did not take to fight for credence the way so many inventions must. The camera itself had been highly sophisticated for 2 hundred years and just waiting for someone to find a way to record a picture automatically. But that couldn't happen until we had eighteenth-century improvements in chemical science.

French lithographer Joseph Niépce finally made the first photograph in 1826. It was an eight-hr exposure of the view from his window, formed out of hardened bitumen on a pewter photographic plate. It'd taken Niépce ten years of experimentation, but he provided the long-awaited solution for a long-standing puzzle. After two one thousand years, he finally provided motion-picture show for the photographic camera obscura.

Notwithstanding that was 2 centuries after Vermeer had shown u.s.a. his beautiful views of domestic Dutch life -- haunting, luminescent, and photographically precise.

I'm John Lienhard, at the University of Houston, where we're interested in the way inventive minds work.
(Theme music)

Newhall, B, The History of Photography. New York, The Museum of Modern Art, 1964.
P. Steadman, Vermeer's Camera: Uncovering the Truth Backside the Masterpieces. New York: Oxford University Printing, 2001.

For the art of Vermeer, see: Vermeer, Jan

This is a greatly revised version of Episode 124.

The pinhole camera and camera obscura principle illustrated in 1925, in The Boy Scientist.

The Engines of Our Ingenuity is Copyright © 1988-2003 by John H. Lienhard.