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
Digital single-lens reflex camera F-1 film SLR body at the Kodak Federal Systems Division to create the first DSLR camera. The digital back monitored the camera body battery current to sync the image sensor exposure to the film body shutter. Digital images were stored on a tethered hard drive and processed for histogram feedback to the user. This first camera was created for the U.S. Government, and was followed by several other models intended for government use, and eventually the first commercial DSLR, launched by Kodak in 1991. In 1995, Nikon co-developed the Nikon E series with Fujifilm. The E series included the Nikon