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 DC Series for 35 mm single lens reflex film cameras. With physical dimensions of 31 x 102 x 61 mm, the Kodak DC20 was the first ultracompact digital camera. Its sleek compact size would remain unrivaled until the release of the Canon Digital Ixus and Casio Exilim. There were several add-on lenses released for the Kodak DC20. These included a macro adapter, a telephoto converter, and a wide-angle converter from Tiffen. These were clip-on lenses since the original lens had no thread. There was also an add-on photo flash unit made by Kodak. The Kodak DC25 was released about the same time