Focus Modes in Digital Cameras
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Focus Modes in Digital Cameras
While some of the least expensive digital cameras have only automatic
focus, meaning the camera does all the work on bringing your subject
into the best possible focus, most SLR digitals offer three different
focus modes: manual, single auto focus and continuous auto focus.
All three of these will be addressed here.
With manual focus, the camera stays out of the focus equation and you,
the photographer, make all the decisions regarding this.
This is done by setting different buttons or actually using an attached
focusing ring that rotates on the camera lens. For those who like to
have complete creative control of the finished product, this is the
best focus mode.
In single auto focus mode, the camera automatically focuses when you
press the shutter button either all the way down to shoot a photo or
half way down to lock the focus. This mode is useful when shooting
static objects.
In continuous auto focus the camera continuously focuses on the objects
in the photo. In this mode the camera continuously corrects the focus
as the objects distance from the camera changes.
This mode is useful when you shoot photos of moving objects such as a
race car during a race or airplanes during an air show. You can hold
the shutter button half way down and continuously move the camera to
follow the object.
The camera will continuously keep the object in focus.
Like any other feature automatic and manual focus modes have their pros
and cons. The first step to using them to your advantage is to
understand how they work and what they were designed for.
The next step is to experiment shoot photos using different focus modes
and different types of objects and see how the camera behaves.
Once you have done that you will be ready to instinctively use the best
focus mode for each photo situation.
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