Photography
and Expressions of Motion
by Richard Schneider
There are many situations in the world of photography
where you will have to decide how you want to
capture a moving subject. Whether it is an athlete
running down the field or a bird swooping over
the water there are many different photo outcomes
possible. You could end up with everything in
the scene perfectly displayed without any blur
or you could end up with the subject in focus
while the background is blurred from panning.
In this article we will discuss the different
techniques you could use in order to end up with
different results.
Freezing the Motion
If you would like to freeze the motion of the
subject along with the motion of the background,
you should use a very high shutter speed. I would
use a shutter speed of at least 1/300th of a second
in order to make sure that you freeze everything.
But there are other subjects you might find that
will be moving unusually fast such as cars or
thrown objects. If you would like to freeze a
faster moving object you will probably need to
use a shutter speed closer to 1/1000th of a second
or faster. This shouldn't be a problem now because
the new cameras are coming out with shutter speeds
of up to 1/8000th of a second.
Motion Blur of the Whole Scene
If you are trying to blur everything in the photo
to convey how fast everything is moving to the
viewer, then you should try a slower shutter speed.
Anything below 1/100th of a second should do the
trick. I have used this for more artistic photos
of passing motorcycles or cars as well as running
animals. This technique is best used when the
scene you are taking a photo of is full of bright
colors. In this type of photo the subject is blurred
so it is not often used, people aren't used to
seeing this kind of work. And because people aren't
used to this kind of work, I have seen many excellent
photos like this sell for a lot of money. This
type of photo also works very well with patterns
in nature. Such as colorful trees waving in the
breeze or flowing water with colorful reflections.
This combination of blur with a lot of color can
create a photo that looks more like a painting.
Panning - Motion Blur of Just the Background
While the Subject is Clear
This is a more difficult technique that requires
a lot of practice and skill. In this type of exposure
the photographer uses a somewhat slower shutter
speed and moves the camera at the same rate as
the moving subject. When done correctly, the subject
is clearly in focus without blur while the background
is blurred; giving the viewer the appearance of
rapid motion. This is the most common method used
by nature photographers and sports photographers
when they want to show their subjects moving across
a scene rapidly. Some of my favorite photos that
I have taken involved using this technique with
speeding dirt bikers and soaring birds with trees
and flowers blurred in the background.
Many photographers work very hard to master the
skill of panning. I myself have practiced following
the movement of sports players with a slower shutter
speed to try to follow the movement of their faces.
Occasionally I would get it right and have their
face clearly exposed while some of their limbs
and the background blurred behind them from the
slow shutter speed. These are most commonly the
kinds of photos that win awards in a sports photography
contest.
Motion Blur of Just the Subject (Tripod
is a Must)
If you would like to have a clear scene while
your subject blurs past with speed, you will have
to figure out a way to keep the camera steady
enough to capture the background clearly while
your shutter stays open an extended amount of
time. This method can obtain some amazing photos
and is commonly used at night with cars and headlights.
I'm sure you have seen photos of a freeway at
night with the headlights of cars making lines
through the exposure. This definitely required
some sort of tripod and a very long shutter speed;
a shutter speed probably multiple seconds long.
When I use this method I usually set my camera
up on a tripod of some sort and simply set the
self-timer so I don't have to hold the shutter
button down and risk moving the camera. By setting
the self-timer the camera automatically takes
the photo after somewhere around 10 seconds so
you don't have to hold it. The best night photos
I have taken involved using this technique while
some cars or trains sped through the scene leaving
their trail.
About the Author
Richard Schneider is a digital photography enthusiast
and founder of http://www.picturecorrect.com/
which offers tips and news about digital photography,
digital camera reviews, and photoshop tutorials.
Please also visit http://www.picturecorrect.com/freewallpaper.htm
where you can find many examples of the techniques
described in this article to use as your desktop
wallpaper.
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