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A computer device that can use storage media like floppy disks, hard disks or optical disks.
Where pixels are added to make a digital image look smoother.
A documentary photographer takes series of photos of a particular subject, generally involving people. His aim is to tell the story of the subject, or document/record events, through these photographs. He tries to capture truthful and objective (often candid) images of the chosen subject, although these images unavoidably illustrate the photographer's individual take on the subject. Often the photographs are meant to be published or exhibited. And some documentary photographers receive commissions from institutions or companies to document their activities. Also see street photography
The part of the Web address that sits between the http:// and .co.uk or .com. These can be registered for a minimal fee from many web sites.
Operating system used by older personal computers.
The resolution of a computer monitor, scanner or printer. The more dots per inch, the higher the image quality - provided, of course, that the image is sharp in the first place.
The action of pressing the mouse button twice in quick succession to open a folder or launch a programme.
Used to describe the view seen through a pair of binoculars when the internal prisms or optics have been knocked out of alignment or the body is sprained. When this has happened, you see two separate images that cannot be brought together.
To bring a file from the Internet or other remote computer to your own using an internet or network connection. Or to load pictures from a digital camera using a cable connection. (Sending pictures to another computer, a camera or the Internet is "uploading".)
An action which allows you to move text, picture elements or folders by holding down the mouse button and moving the selected item to its desired destination.
Standard type of memory chip used in computers.
A file that controls a printer, scanner, disk drive or other device which is part of, or connected to, a computer.
High quality and very expensive scanner used by repro houses to scan transparencies, negatives and prints. Originals are mounted on the curved surface of a transparent drum. As the drum rotates, a fine beam of transmitted or reflected light scans the original.
Method of mounting a photograph to stiff backing material using dry, heat-sensitive tissue between the two. Can be ironed into place, but a press is preferred as it applies even pressure and heat to the whole surface.
Irregular marks on a film emulsion caused by uneven drying when processed. This can be prevented by using wetting agent in the final wash.
Producing newsletters, magazines, stationery, and other printed material using a software programme on a computer.
Coding on a film cassette that is read by sensors in the camera's film chamber. The coding holds film characteristics such as the ISO rating and number of exposures.
A process with which certain areas of ready-formed coloured dyes are removed or bleached, leaving the remaining dyes to form the final coloured image.
A form of digital printing that uses tiny heating elements to evaporate pigments from a CMY ribbon and deposit them smoothly onto a receiving paper to make a high quality photo with good longevity.
Often quoted on scanner specifications to indicate the maximum tone range that the scanner can capture. A higher figure indicates that the scanner will capture more detail from the highlights to shadows. With flatbed scanners that are being used to scan prints this isn't too important because the tonal range has already been reduced in the printing process. A higher dynamic range is essential on film scanners when scanning transparencies that have a wide tonal range. Specialist films, such as Fuji Velvia, are said to have a range of around 3.7D, so the scanner needs to have at least the same dynamic range to ensure every bit of highlight and shadow detail is captured in one scan. Also see "High Dynamic Range"
Standard chemical process used to develop most types of colour transparency ("slide") films.
Electronic method of sending pictures, sounds and words from one computer to another using internet, network or modem transfer.
Pre-exposed film frame number and other information that appears on the edge of the film when processed.