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An electronic viewfinder (EVF) is a camera viewfinder where the image captured by the lens is displayed on a small screen (usually LCD or OLED) which the photographer can look through when composing their shot. [1] It differs from a live preview screen in being smaller and
The larger, advanced digital cameras offer a non-optical electronic through-the-lens (TTL) view, via an eye-level electronic viewfinder (EVF) in addition to the rear LCD. The difference in view compared with a DSLR is that the EVF shows a digitally created image, whereas the viewfinder in a DSLR shows an actual optical image via the reflex ...
Live preview is a feature that allows a digital camera's display screen to be used as a viewfinder. This provides a means of previewing framing and other exposure before taking the photograph. In most such cameras, the preview is generated by means of continuously and directly projecting the image formed by the lens onto the main image sensor ...
It had a TFT liquid-crystal display (LCD) and stored up to 20 digital photos at 350,000-pixel resolution. However, it could not send the resulting image over the telephone function but required a computer connection to access photos. [29] The first mass-market camera phone was the J-SH04, a Sharp J-Phone model sold in Japan in November 2000.
Digital photographs are typically created solely by computer-based photoelectric and mechanical techniques, without wet bath chemical processing. In consumer markets, apart from enthusiast digital single-lens reflex cameras (DSLR), most digital cameras now come with an electronic viewfinder, which approximates the final photograph in real-time.
The LCD panel and the electronic viewfinder have a much larger pixel count. The LCD panel also features a 'glasses free' capability of viewing shot 3D footage made either with the optional 3D adaptor or simulated from 2D footage. The camera is able to output a simulated 3D picture from its HDMI port.
Additional possible features include a viewfinder (usually digital), a pressure-sensitive knob for zooming at a controllable speed, LED lamp for illuminating in darkness – possibly with an option to adjust automatically, night vision which may be assisted by an infrared lamp, still photography, the ability to capture still photos while ...
The viewfinder thus acts as a kind of lens filter. [1] [2] [3] The most popular method involves using a digital camera as the image taking camera and an intact twin-lens reflex camera (TLR) or pseudo-TLR as the "viewfinder" camera. [4] TLRs typically have square waist-level viewfinders, with the viewfinder plane at 90 degrees to the image plane ...
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