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SHORT GUIDE TO PHOTOGRAPHY
A SHORT GUIDE TO PHOTOGRAPHY
Photography can be a rewarding pursuit. It is a broad and disciplined field that can take
years to master. But the pleasure in making photographs and the joy of capturing a
magical moment cannot be compared. The guide is an introduction to some basic
photographic principles.
The lens aperture controls not only
exposure, but also depth of field; the
area between the closest object in
focus and the furthest object in focus.
The larger the aperture value, the
greater the depth of field. The smaller
the aperture value, the shallower the
depth of field. The required shutter
speed for the exposure increases with
the aperture value. Usually landscape
photographs use a large depth of field
(large aperture value) to keep the
foreground and background in focus,
and portraits use a shallow depth of
field (small aperture value) to separate
the subject from the background.
Depth of field also changes with focal
length. The smaller the focal length,
the greater the depth of field; the
longer the focal length, the shallower
the depth of field.