Arranging and deleting images. See also photo editing.
effects
A general term used to describe unnatural visual elements introduced in an image. See also compositing, filters.
electromagnetic radiation
A type of energy ranging from gamma rays to radio waves that also includes visible light. See also light.
embedded profile
The source profile saved in the digital image file. See also device characterization, profile.
emulsion
Tiny layers of gelatin found in film consisting of light-sensitive elements. When the emulsion is exposed to light, a chemical reaction occurs resulting in an image. See also film.
EXIF
Short for Exchangeable Image File. The standard format for storing information about how an image was shot, such as shutter speed, aperture, white balance, exposure compensation, metering setting, ISO setting, date, and time. See also metadata, IPTC.
export
The process of formatting data in such a way that it can be understood by other applications. In Aperture, images can be exported in their native RAW format, JPEG, TIFF, and PNG. The EXIF and IPTC metadata associated with an image can be exported as well.
exposure
The amount of light in an image. Exposure is controlled by the aperture, which limits the intensity of light, and the shutter, which sets the duration of time that light comes into contact with the digital image sensor. Exposure affects the overall brightness of the image as well as its perceived contrast. See also aperture, contrast, digital image sensor, shutter.
extended desktop mode
A setting in System Preferences that allows the workspace to span multiple monitors. See also mirroring.
