Digital camera information about the astronauts' position. As with Texas Instruments employee Willis Adcock's filmless camera (US patent 4,057,830) in 1972, the technology had yet to catch up with the concept. The Cromemco Cyclops was an all-digital camera introduced as a commercial product in 1975. Its design was published as a hobbyist construction project in the February 1975 issue of "Popular Electronics" magazine, and it used a 32×32 Metal Oxide Semiconductor sensor. Steven Sasson, an engineer at Eastman Kodak, invented and built the first self-contained electronic camera that used a charge-coupled device image sensor in 1975. Early uses were mainly military and
Kodak Stereo Camera Realist format. This allowed Kodak Stereo Camera owners to use most accessories and services originally designed for the Stereo Realist. It was the second best selling stereo camera of the 1950s era, eclipsed only by the Stereo Realist. Though it lacked a rangefinder the Kodak stereo camera is often considered to be easiest of the 50s stereo cameras to use. Unlike the Realist, the Kodak had a self-cocking shutter. Like later model Realists it had built in double exposure prevention which could be overridden by the manual shutter cocking lever located on the bottom of the camera. Releasing the shutter