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Appendix > Glossary
RAW (CCD raw data)
The original, unprocessed data, collected directly from the camera’s image
sensor. White Balance, contrast, saturation, sharpness, and other data can
be manipulated with editing software before the image is compressed into
a standard le format.
Resolution
The number of pixels present in a digital image. High resolution images
contain more pixels and typically show more detail than low resolution
images.
Shutter speed
Shutter speed refers to the amount of time it takes to open and close the
shutter. It is an important factor in the brightness of a photo, as it controls
the amount of light which passes through the aperture before it reaches
the image sensor. A fast shutter speed allows less time to let in light. The
photo becomes darker, but subjects in motion freeze more easily.
sRGB (Standard RGB)
International standard of color space established by the IEC (International
Electrotechnical Commission). This is the dened color space for PC
monitors and is also used as the standard color space for Exif.
Vignetting
A reduction of an image’s brightness or saturation at the periphery (outer
edges) compared to the center of the image. Vignetting can draw interest
to subjects positioned in the center of an image.
White Balance (Color balance)
An adjustment of the intensities of colors (typically the primary colors red,
green, and blue), in an image. The goal of adjusting the White Balance, or
color balance, is to correctly render the colors in an image.
Wi-Fi
Wi-Fi is a technology that allows electronic devices to exchange data
wirelessly over a network.
WPS (Wi-Fi Protected Setup)
WPS is a technology that secures wireless home networks.