The Pros and Cons of
Vibration Reduction
By: Mark Sincevich
I
recently communicated with a woman who uses her
digital camera in her work as an artist. She creates
beautiful pictures of flowers and nature. She wants
to get a new camera and mentioned that her current
one doesn’t have image stabilization.
I’m not going to go into the type of camera I would
recommend for her at this point. However, it’s
important to keep the end uses in mind. It’s
possible that her money might be better spent on
purchasing a good tripod versus worry about image
stabilization or vibration reduction with her
camera.
Here’s the lowdown on Image Stabilization (IS) or
Vibration Reduction (VR)
This information was taken from my book, “Snap: the
ultimate guide to digital photography for the
consumer.”
“A key way that manufacturers have been able to get
around the digital noise produced with small sensors
in consumer digital cameras is to add vibration
technology. This is accomplished on the low end by
adding this technology into the consumer digital
cameras and on the high end into the lenses
themselves. Sometimes Vibration Reduction (VR) is
called Image Stabilization. Vibration reduction
involves small sensors that send information to your
camera’s microprocessor to counteract extra
movement. You should be very aware when you don’t
have VR in your camera, because you will be
hard-pressed to take acceptable photographs in low
light situations.
This feature especially when combined with a higher
ISO value such as 800 and beyond, will allow you to
capture even more photographs in low light
situations. If you keep your camera on automatic (I
shudder at the thought), then you’ll notice less
blur in your photographs. If you put your camera on
shutter priority mode, you should be able to get a
slower shutter speed with the same aperture. Without
VR, you might have been able to take a photograph in
the evening at F3.5 and at 1/30th of a second.
The VR system will allow you to take a photograph at
1/8th of a second with the same aperture thus
extending the time you can take photographs in the
early morning or evening by a few minutes. The DSLR
camera class takes the most advantage of VR
technology, because VR technology is built into the
lens. There are two angular velocity sensors, one
for pitch (vertical movement) and one for yaw
(horizontal movement). Movement is determined by
combining the results of pitch and yaw and sending
this information back to a microprocessor built into
the lens during very frequent interval such as every
1/1,000 second. This movement information is used to
compensate for photographing from a moving car or
capturing your scene without fill flash in a low
light setting.
Nikon
claims that its’ VR lenses give the photographer the
ability to photograph at shutter speeds 3 steps
faster and other manufacturers make similar
statements. It’s been my experience that you can
expect at least two stops of additional room
(shutter speed) when using a VR lens. You can
increase the stops of availability even more if you
do a few simple things, using a vertical wall to
lean upon, holding your breath and using your
camera’s strap to give you some resistance.
Remember that while you might have VR, it is a
‘crapshoot.’ VR technology aids in the guessing game
of compensating for movement. Some of your photos
will be sharper, but others will be about the same.
Don’t expect that every photograph will be perfect
when employing VR. You still need to be competent
enough to take good photographs in the first place.
The idea is to take a lot of photographs (i.e.
bracketing) in low light or in challenging light
situations. The more photographs you have from which
to choose, the better your odds of finding that
perfect shot. This strategy is not to be confused
with some photographers putting their DSLR camera on
a high frame rate and hoping for one ‘lucky’ shot.
Recommendation: I would focus on the other
features such as sensor size, MP count, zoom range,
etc. and if those features are important to you and
you have them on your ‘must have’ list for a digital
camera, then having VR is a nice addition. However,
you shouldn’t select a camera primarily with this
feature in mind. NOTE: have a detachable checklist
of the important features for consumer and then for
entry-level professional cameras.
Mark Sincevich is the Executive Director of the
Digital Photography Institute (DPI) as well as a
world-class professional photographer. He regularly
speaks about photography and related subjects, is
frequently quoted in the media and is the founder
and Chief Perspective Officer of Staash Press. Mark
is also the creator of the Staash Perspective System
(SPS). The SPS takes its inspiration from
photography and teaches that simplicity leads to
more powerful communications. He can be reached at
301-654-3010 or
http://www.digitalphotoinstitute.com.
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