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Terms in this set (19)
Lens opening. The opening in a camera lens through which light passes to
expose the digital sensor.
An exposure mode on an automatic or auto- focus camera that lets
you set the aperture while the camera sets the shutter speed for proper exposure. If you
change the aperture, or the light level changes, the shutter speed changes automatically.
System by which the camera lens automatically focuses the image of a
selected part of the picture subject.
Taking additional pictures of the subject through a range of exposures-both
lighter and darker-when unsure of the correct exposure.
The pleasing arrangement of the elements within a
scene-the main subject,
the foreground and background.
Printing only part of the image usually for a more pleasing composition. May also
refer to the framing of the scene in the viewfinder.
Depth of Field (DOF)
The amount of distance between the nearest and farthest objects
that appear in acceptably sharp focus in a photograph.
Softening detail in a print with a diffusion disk or other material that spreads light.
f - Stop (f Number)
A number that indicates the size of the lens opening on an adjustable
camera. The common f-numbers are f/2, f/2.8, f/4, f/5.6, f/8, f/11, f/16, and f/22. The larger the
f-number, the smaller the lens opening. In this series, f/2 is the largest lens opening and f/22 is
Liquid Crystal Display on cameras that shows such information as remaining
exposures, flash status and aspect ratio selected.
Any device used to reflect light onto a subject.
The area that is exposed by light through the lens and shutter thus producing an
(International Organization for Standardization) Light sensitivity to the digital sensor.
Blades, a curtain, plate, or some other movable cover in a camera that controls
the time during which light reaches the digital sensor or film.
1/8000, 1/4000, 1/2000, 1/1000, 1/500, 1/250, 1/125, 1/60, 1/30, 1/15,
1/8, 1/4, 1/2, 1", and 2" are essentially indicators of the duration (timing) at which the shutter
curtain opens up and closes during an exposure process.
An exposure mode on an automatic or autofocus camera that lets you
select the desired shutter speed; the camera sets the aperture for proper exposure. If you
change the shutter speed, or the light level changes, the camera adjusts the aperture
SINGLE LENS REFLEX (SLR)
A camera in which you view the scene through the same lens
that takes the picture.
A three-legged supporting stand used to hold the camera steady. Especially useful
when using slow shutter speeds and/or telephoto lenses.
RULE OF THIRDS
The guideline proposes that an image should be imagined as divided into
nine equal parts by two equally-spaced horizontal lines and two equally-spaced vertical lines,
and that important composition elements should be placed along these lines or their
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