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Digital Camera Glossary

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Terms from the Digital Camera world explained

ADC - Analogue to Digital Converter, this takes the analogue output and is able to turn it into digital format so that it can be manipulated and altered by the DSP.

Aperture - On a film camera this is an adjustable control which can alter the passage of light into the camera, often used with shutter speed to determine depth field.

Artifacts - Distortions of the image often caused by noises or heavy handed use.

CCD - Charged Couple Device, this can play part of the film in registering the image seen through the lens.

CCD Technology - With cameras with this technology it acts like a enhancer it uses the technology to enable images of a higher pixel resolution. Instead of the light-sensitive elements in standard CCD, it uses larger octagonal arranged in a slight honeycomb pattern which provides a highly detailed result.

Compact Flash - This is a removable memory type used to record and store digital images.

Digital Zoom - This can be misleading in fact it doesn't zoom at all it crops the image and displays the center portion of the image.

DSP - Digital Signal Processing (also known as processor), this processes the raw data before it can be stored and viewed on the memory card.

Effective Pixels - This is the number of pixels of the CCD used to make up the final image.

Interpolation - A software program that will add pixels but no more detail to the image.

ISO - Stands for Internation Standards Organisation, this gives details on the light sensitivity and speed of film.

 

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