Video 4K

When shopping for a new TV or home theater component, consumers are bombarded with terminology that can be quite confusing. One confusing concept is video resolution. 1080p is an important video resolution term to understand but what does it mean? The Definition of 1080p 1080p represents 1,920 pixels displayed across a screen horizontally and 1,080 pixels down a screen vertically. The pixels are arranged in rows or lines. This means that those 1,920 pixels are arranged in vertical rows that cross the screen from left to right (or right to left if you prefer), while the 1,080 pixels are arranged in rows or lines, that go from top to bottom of the screen horizontally. 1,080 (which is referred to as the horizontal resolution - since the end of each pixel row is on the left and right edges of the screen) is where the 1080 part of the term 1080p comes from. The Total Number Of Pixels In 1080p You might think that 1,920 pixels displayed across the screen, and ...

4K refers to one of two high definition resolutions: 3840 x 2160 pixels or 4096 x 2160 pixels. 4K is four times the pixel resolution, or twice the line resolution (2160p), of 1080p (1920 x 1080 pixels). The other high definition resolutions in use are 720p and 1080i. 4K resolution is used in commercial digital cinema using the 4096 x 2160 option, where many films are shot or mastered in 4K by upscaling from 2K (1998 x 1080 for the 1.85:1 aspect ratio or 2048 x 858 for 2.35:1 aspect ratio). Under its two official consumer labels, Ultra HD and UHD, 4K is well established in home theater, using the 3840 x 2160 pixel option, via both a growing number of home theater receivers that have either 4K pass-through and/or 4K video upscaling capability, as well as TVs, video projectors, and source devices, such as media streamers, Ultra HD Blu-ray Players, and Blu-ray Disc players that employ 4K upscaling. In addition to Ultra HD or UHD, 4K is also referred to in profession...

TOKYO, September 5, 2018—Canon Inc. announced today the launch in Japan of the EOS R System—comprising the EOS R mirrorless camera, four RF lenses and four types of mount adapter—a new imaging system of cameras and lenses that increases the degree of lens design freedom and expands the possibilities of optics. The EOS R System, including RF lenses The command of light is the essence of visual expression through photo and video, for which lenses are vital. In pursuit of even higher image quality, Canon has created the new EOS R System, which features a revised lens mount—the point of contact between camera and lens—that expands the possibilities of optics, allowing for even greater freedom when designing lenses. Created to utilize RF lenses—born of lens design ideals—to the fullest, the EOS R System employs the newly developed RF Mount. With a large mount diameter and short back focus1 that allows for increased freedom when designing lenses and featuring a new mount ...

History [ edit ] Nikon Corporation was established on 25 July 1917 when three leading optical manufacturers merged to form a comprehensive, fully integrated optical company known as Nippon Kōgaku Tōkyō K.K. Over the next sixty years, this growing company became a manufacturer of optical lenses (including those for the first Canon cameras) and equipment used in cameras, binoculars, microscopes and inspection equipment. During  World War II  the company operated thirty factories with 2,000 employees, manufacturing binoculars, lenses, bomb sights, and periscopes for the Japanese military. Reception outside Japan [ edit ] After the war Nippon Kōgaku reverted to producing its civilian product range in a single factory. In 1948, the first Nikon-branded camera was released, the Nikon I. [5]  Nikon lenses were popularised by the American photojournalist  David Douglas Duncan . Duncan was working in Tokyo when the  Korean War  began. Duncan had met a young Ja...