The pinhole camera has been around since about 1850 and it's the antithesis of the hi-tech, multi-megapixel, auto focus, auto exposure cameras of today. With no viewfinder or LCD screen to review ...
People wanting to experience the solar eclipse on April 8 in a creative and safe way can do so by creating a pinhole camera. Jeroen Stil, associate professor of astronomy at the University of Calgary, ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results