Page 184 - (DK) Advanced Photography Guide

182 GLO S S A RY

GLOSSARY buffer Memory that is built into a critical focus The part of a photo
camera used as a temporary storage
that is the sharpest.
for photos until they can be written crop To reshape or reduce the size
to the memory card.
aberration An image flaw of a photo, by trimming along one
or distortion that is caused by Bulb An exposure mode in which or more of its edges.
imperfect lens optics. the shutter can be held open for an crop factor A figure used to
indefinite period by holding down
adjustment A change made to the shutter button. calculate the difference in angle
a photo in postproduction, to the of view when a lens is attached to
brightness or contrast, for example. burning A postproduction digital cameras with different sensor sizes.
adjustment that makes an image—
angle of view The angular extent or part of an image—look darker. CSC (Compact System Camera)
of an image, measured in degrees, An interchangeable-lens camera that
that is projected onto the sensor. burned-out A term for highlights streams live image data from the
that are pure white and lacking in sensor to an LCD or EVF. It is also
aperture A variable iris inside a detail due to overexposure. known as a mirrorless camera.
lens, used to control the amount of
light that passes through the lens. camera shake Softness in a photo depth of field The area of
that is caused by moving the camera acceptable sharpness in a photo.
Aperture Priority A semiautomatic during an exposure. Depth of field extends from the focus
exposure mode, in which you select
the aperture. center-weighted metering point and is controlled by adjusting
A camera metering mode that the size of the lens aperture.
APS-C (Advanced Photo System
type-C) A digital sensor, about biases exposure to a large central distortion The warping of an image
23.6 x 15.8mm in size, that is used area of the image frame. by the optics of a lens, particularly
in most DSLRs and CSCs. chromatic aberration Colored noticeable in geometrical subjects.

aspect ratio A description of the fringing visible along high-contrast dodging A postproduction digital
shape of an image, shown as the edges in a photo, caused by a lens adjustment that makes an image, or
ratio between the horizontal and being unable to focus the different part of an image, look lighter.
vertical dimensions. wavelengths of light to one point. drive mode A mode in which you
autofocus (AF) A system that uses color temperature An indicator set the number of photos a camera
sensors to assess the subject and of how red- or blue-biased light is, will shoot when the shutter is
focus the camera lens automatically. measured in Kelvin. pressed and held down, or when
the self-timer is activated.
AWB (Automatic White Balance) Continuous AF An autofocus (AF)
A White Balance setting in which mode in which the focus distance dynamic range A ratio of intensity
the camera assesses the color bias is continuously adjusted by the lens between the darkest and brightest
of the lighting and automatically until the moment of exposure. tones that can be captured by a digital
calculates the White Balance. continuous shooting A drive sensor without significant noise.
bokeh The aesthetic qualities mode that makes it possible to shoot EVF (Electronic Viewfinder)
of out-of-focus areas of a photo. a sequence of consecutive photos by A viewfinder that uses a miniature
Derived from a Japanese word holding down the shutter button. LCD to display a live image streamed
for haze. directly from the sensor or a
contrast The difference in previously shot photo in playback.
bracketing The shooting of a brightness between the darkest
sequence of two or more photos, and lightest areas of a scene or exposure The aperture, shutter
varying a specific setting such as the photo. Contrast can also be used speed, and ISO settings necessary
exposure in each one, to find the to describe differences in color to take a photo. It also refers to
best shot. or texture. the physical act of taking a photo.

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