Page 186 - (DK) Advanced Photography Guide

184 GLO S S A RY

local correction An adjustment ND (neutral-density) filter plane of focus An imagined
applied to a specific part of a photo. A semiopaque filter that reduces horizontal plane perpendicular to a
the intensity of light passing through lens in which everything is in focus.
low-dispersion glass A type of it, allowing either a longer shutter
glass used in lenses that is designed speed or a larger aperture than playback The viewing of photos
to minimize chromatic aberration. from the camera’s memory card.
would otherwise be possible.
macro A photographic technique noise A random grain pattern that polarizing filter A filter that is
in which subjects are shot at a 1x reduces fine detail in a photo. mainly used to reduce reflections
magnification or higher. from non-metallic surfaces, or to
noise reduction A technique deepen the blue of the sky.
Manual An exposure mode in that is used to reduce or remove
which both the shutter speed and the appearance of noise in a photo. portrait A photo in which the
aperture are set by the photographer. main subject is a single person or
This can either be set in-camera
manual focus (MF) A focusing before shooting or can be done animal, or a small group of people
or animals. It is also used to
mode in which the photographer later in postproduction. describe the format of a photo
physically turns the focus ring on
a lens to achieve sharp focus. non-proprietary Camera in which the longest sides of
equipment that is not licensed the rectangle are vertical.
memory card A removable storage with a particular brand. postproduction Refers to any task
device used in digital cameras. The
most common type is an SD card. opacity A measure of how or adjustment carried out on a photo
transparent a layer is. It can after shooting. Postproduction can
metadata Information that is be adjusted in postproduction. be done in-camera on some models,
embedded in a digital file, such as but is usually handled with image-
a photo, and which describes a optical viewfinder A type of editing software on a computer.
particular aspect of the file. Settings, viewfinder that shows the subject prime lens A fixed-focal-length lens.
through an optical system, rather
such as aperture and shutter speed, than via an LCD screen. A range of lengths are available.
are examples of metadata that are
automatically added to a photo orientation The angle at which Program An automatic exposure
by a camera. a camera is held when shooting. mode in which the camera sets the
aperture and shutter speed, but
metering The measurement overexposure The result of letting
of ambient light levels, so that too much light reach the sensor you can control the exposure.
the right exposure settings can during an exposure, producing an Raw An image file format that
be selected on a camera. image with burned-out highlights retains all the data captured by the
and shadows that are too light. camera at the time of the exposure.
midtone A tone exactly halfway
between black and white, with an perspective The illusion of depth red-eye An effect created when
18% reflectivity. in a photo, suggested by how the light (usually from a direct flash)
various elements relate to each other. reflects off the blood vessels at the
monochrome An alternative term
for black and white, or for a photo It depends on the photographer's back of the subject’s eyes, making
their pupils look red in the photo.
position in relation to the scene and
with a restricted range of colors.
the focal length of the lens used.
multi-area metering A camera’s reflective metering The
default exposure metering mode, this pixel Short for picture element; the measurement of how much
light is reflected from a scene.
smallest unit of image information
divides each scene into zones, each in a photo or on a monitor.
of which is metered independently. reflector A sheet of material
The camera determines the final pixelated The effect created in a (normally white, silver, or gold) that is
exposure by analyzing and evaluating digital image when the individual used to redirect light into the darker
the exposure reading of each zone. pixels are clearly visible. areas of a subject to lower the contrast.

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