Monday 8 February 2010

Photo Theory

Capture - Reflected light from an object passed into a camera and then onto a light sensitive surface

Process - The captured image is turned into something we can see

Store - The image is put onto something we can keep such as a printed photograph

Analogue Photography

USB - Usb is a physical connection used by cameras and scanners, this is the fastest option

Removable Card - Images captured can be stored and put on a removable card

Wifi - Some cameras use wifi technology to send digitally to a computer

Jpeg - The group who set these standards for digital photo compression jpeg quality is sacrificed by the reduction in size, which strips away the quality
File Type

Bitmat Graphics format - .Bmp - Used internally by the microsoft windows graphics subsystem

Pict - .Pct - Introduced by Apple Macintosh computers it is the original standard image file

Tagged image file format - .Tif - To store high colour images

Photoshop Doc - .Psd - To edit digital images in adobe photoshop

Graphics interchange format - .Gif - Introduced by the compuserve ow has widespread use on computers

Joint photographic expert group - .Jpg - Good for online photos

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