Roll film of Peter's camera. David Henderson Houston (born June 14, 1841; died May 6, 1906), originally from Cambria, Wisconsin, patented the first holders for flexible roll film. Houston moved to Hunter in Dakota Territory in 1880. He was issued an 1881 patent for a roll film holder which he licensed to George Eastman (it was used in Eastman's Kodak 1888 box camera). Houston sold the patent (and an 1886 revision) outright to Eastman for $5000 in 1889. Houston continued developing the camera, creating 21 patents for cameras or camera parts between 1881 and 1902. In 1912 his estate transferred the remainder
Kodak DCS Pro 14n was a similar, but improved model. In particular, the new camera featured an improved image sensor and better power management, and it came with 512 MiB of buffer memory pre-installed. At around 1800 USD existing owners of the DCS 14n could order another camera upgrade from Kodak, comprising the new image sensor and memory upgrade. These upgraded cameras were officially referred to as Kodak Professional DCS Pro 14nx by Kodak. Except for the power management and name plate, they were basically the same as the DSC Pro SLR/n. Reviews are already available. Kodak DCS Pro 14n The Kodak Professional DCS