Apple MB673Z/A User Manual - Page 660

online Images whose masters are currently available to Aperture. See also offline. opacity The level of an image's transparency. optical zoom lens See zoom lens. overexposure The result of exposing a scene too long. Overexposed scenes appear too bright and lack adequate details in the shadows. See also exposure, underexposed. panning a. Moving the camera along with a moving subject in order to keep the subject in the frame. Panning a fast-moving subject with a slow shutter speed usually causes the subject to remain relatively in focus, while the remaining areas of the scene are blurred or stretched in the direction of the camera movement. b. In Aperture, pressing the Space bar and dragging within an image to see other parts of the image when it is displayed at 100 percent size. See also camera, image, Viewer. panorama Usually refers to a scenic landscape image with a wide aspect ratio. Photographers often digitally combine or "stitch" multiple images of the same scene to create a continuous panoramic image. See also aspect ratio. phase An attribute of color perception; also known as hue. See also hue. photo edit The process of choosing selects from a group of images, as well as sorting out images that you don't plan to use or publish, also known as rejects. The more aggressively you cull undesirable images from your working group of images, the more time you save when you process the images for display. See also rating, Reject rating, Select rating. photograph An image created using a camera as a result of light interacting with a light-sensitive surface, usually film or a digital image sensor. See also camera, digital image sensor, film, picture. photo printer A type of printer capable of producing photo-quality images. See also dye sublimation, gamut, inkjet printer, offset press, print, RA-4. pick The image that represents a stack. The pick is usually the best image in the stack. See also alternate, stack. picture A visual representation rendered on a flat surface or screen, such as a photograph. See also image, photograph. Pictures folder Located in the Home folder, the Pictures folder is the default location for Aperture and iPhoto libraries. See also library. pixel The smallest discernible visual element of a digital image. See also megapixel. 660 Glossary