Apple Aperture 2 - Manual (Page 657)

Glossary 657
lens A series of sophisticated elements—usually glass—constructed to refract and
focus the reflective light from a scene at a specific point: the digital image sensor in a
camera. See also
camera , digital image sensor , macro lens , prime lens , telephoto lens ,
wide-angle lens , zoom lens .
Levels adjustment An adjustment in Aperture that provides controls to selectively
adjust the tonal range of an image. See also
adjustment , image .
library In Aperture, a container file that holds projects, folders, albums, masters, and
versions. You organize elements in the library, rename items, sort items,
and so on using the Projects inspector. By default, the Aperture Library file is located at
/Users/username/Pictures/. See also
album , folder , master , project , version .
Lift & Stamp HUD A floating window that displays the attributes lifted from an image.
You can choose which attributes are stamped on an image selection by deselecting the
attributes you don’t want to apply. See also
HUD , image selection , Lift and Stamp tools .
Lift and Stamp tools A pair of tools used in conjunction with the Lift & Stamp HUD to
copy (lift) attributes, such as metadata and adjustments, from one image and paste
(stamp) them on an image selection. See also
adjustment , image selection , Lift & Stamp
HUD , metadata .
light Visible energy in the electromagnetic spectrum with wavelengths ranging
between 400 and 720 nanometers. See also
electromagnetic radiation .
light meter A device capable of measuring the intensity of reflective light. Light
meters are used as an aid for selecting the correct exposure settings on the camera.
Most cameras have internal light meters. See also
center-weighted metering , evaluative
metering , meter , spot metering .
Light Table An area in the Aperture main window that appears when you select a
Light Table album. The Light Table provides a large open space where you can place a
large selection of images for review and drag them to new positions, group them in
different combinations, and resize them as needed. See also
album , Navigator button .
list view A Browser view that displays images in a list by name, icon, and
accompanying metadata, such as rating, image dimensions, file size, and date, rather
than as a row or grid of thumbnails. See also
Browser , filmstrip view , grid view ,
metadata , rating .
Loupe A tool in Aperture used to magnify the area of the image you place it over. See
also
image .
luminance A value describing the brightness of all color channels combined in a pixel.