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Cams girls, Technology - 1 comment » - Write 03.01.2008 в 00:45
The first permanent photograph was made in 1826 by Joseph Nice’phore Nie’pce using a sliding wooden box camera made by Charles and Vincent Chevalier in Paris!
The first colour photograph was made by James Clerk Maxwell, with the help of
Thomas Sutton, in 1861!
Already passed 181 since moment of the appearance photography and 146 years with inventions of the colour! But that we have today?

A camera is a device used to capture images, either as still photographs or as
sequences of moving images (movies or videos).
A video camera is a camera used for electronic motion picture acquisition, initially
developed by the television industry but now common in other applications as well.Cameras may work with the light of the visible spectrum or with other portions of the electromagnetic spectrum. A camera generally consists of an enclosed hollow with an
opening (aperture) at one end for light to enter, and a recording or viewing surface for capturing the light at the other end.

Due to the optical properties of photographic lenses, only objects within a certain range of distances from the camera will be reproduced clearly. The process of adjusting this range is known as changing the camera’s focus.The camera can also have a limited focusing range or scale-focus that is indicated on the camera body. The user will guess or calculate the distance to the subject and adjust the focus accordingly. On some cameras this is indicated by symbols (head-and-shoulders, two people standing upright, one tree, mountains).

Modern cameras often offer “auto-focus” systems to focus the camera automatically
by a variety of methods. We there is need for such camera
Traditional cameras capture light onto photographic film or photographic plate.
Video and digital cameras use electronics, usually a charge coupled device (CCD) or
sometimes a CMOS sensor to capture images which can be transferred or stored in
tape or computer memory inside the camera for later playback or processing.

Professional video cameras, such as those used in television and sometimes film production; these may be studio-based or mobile. Such cameras generally offer extremely fine-grained manual control for the camera operator, often to the exclusion of automated operation.Digital cameras which convert the signal directly to a digital output; such cameras are often extremely small, even smaller than CCTV security cameras, and are often used as webcams or optimized for still-camera use. These cameras are sometimes incorporated directly into computer or communications hardware, particularly mobile phones, PDAs, and some models of laptop computer. Larger video cameras ( especially camcorders and CCTV cameras ) can also be used as webcams or for other digital input, though such units may need to pass their
output through an analog-to-digital converter in order to store the output or send it to a wider network.

Closed-circuit television cameras, generally used for security, surveillance, and/or monitoring purposes. Such cameras are designed to be small, easily hidden, and able to operate unattended; those used in industrial or scientific settings are often meant for use in environments that are normally inaccessible or uncomfortable for humans, and are therefore hardened for such hostile environments ( e.g. radiation, high heat, or toxic chemical exposure ). Webcams can be considered a type of CCTV camera.Webcams are small cameras, (usually, though not always, video cameras) whose images can be accessed using the World Wide Web, instant messaging, or a PC video conferencing application. The term webcam is also used to describe the low-resolution digital video cameras designed for such purposes, but which can also be used to record in a non-real-time fashion.

Cameras that capture many images in sequence are known as movie cameras or as
cine’ cameras, those designed for single images are still cameras. However these categories
overlap, as still cameras are often used to capture moving images in special effects work
and modern digital cameras are often able to trivially switch between still and motion
recording modes. A video camera is a category of movie camera that captures images electronically (either using analogue or digital technology).Web-accessible cameras involve a digital camera which uploads images to a web server, either continuously or at regular intervals. This may be achieved by a camera attached to a PC, or by dedicated hardware. Videoconferencing cameras typically take the form of a small camera connected directly to a PC. Analog cameras are also sometimes used (often of the sort used for closed-circuit television), connected to a video capture card and then directly or indirectly to the internet.

Today there are millions of webcams that provide views into homes, offices and other buildings as well as providing panoramic views of cities (Metrocams) and the countryside. Webcams are used to monitor traffic with WeatherCams, the weather with TraffiCams and even volcanoes with VolcanoCams. Webcam aggregators allow viewers to search for specific webcams based on geography or other criteria.Webcams connected to PCs can act as web-accessible cameras with certain software; the software uploads pictures to an FTP server, from which they can be made accessible to anyone, over the web.

One of the more common applications of webcams has been for the dissemination of Internet pornography and video chat. For many surfers the word “webcam” is synonymous with “adult webcam”. Adult applications involve streaming video to a centralized server, where it is relayed to viewers who have subscribed to the service. The most common set-up is a model who interacts with viewers in a chatroom. There are also many sites where nudity is not involved such as interactive webcam dating.This software to work with almost every webcam can be configured in many ways, and will often include options for image size and quality, overlaying logos, and time stamping images. Many different programs to do this are available, some of them free and open source. On sites where you want to see someone or show myself read questions and answers (faq).
on motive wikipedia…

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