Buying a
Digital Camcorder
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Buying a digital
camcorder definitely means taking a step up in image
quality. Just as in analog (traditional video camcorders),
manufacturers have put some rather sophisticated electronics into very
compact sizes. After you’ve chosen the format, most of the features
you would consider for VHS, 8mm or Hi8 cameras are very similar
for digital, plus a few added goodies in digital. It is the format
that is different, not so much the cameras themselves.
Read the Digital Camcorder Buying Guide @ BestBuy
Size
In recent years, manufacturers have worked to make their camcorders
smaller and smaller, especially with many digital camcorders. The mini-DV
cassette is physically so small that cameras can be made to fit a
pocket (although small is not necessarily the best way of
differentiating camcorders for your purposes). The digital format
includes some of the smallest camcorders available.
Size is important for three reasons: portability, ease of use and
features available.
Portability is pretty obvious. How do you plan on carrying your
camcorder? Carry it in its own unique camera bag, in a purse, or in a
pocket on your jacket. The traveler who keeps the camcorder in his
pocketed jacket or the mountain climber is going to want the smallest
camera possible. The parent videotaping kids playing soccer might be
happy with any digital camcorder size (none are huge).
A tiny camera is not necessarily an easy-to-use camera for everyone.
For example, the man with large hands may find a very compact camera
hard to handle and the controls hard to use compared to how a petite
woman reacts to handling the same camera. Some people find it easier
to keep a large camcorder that rests on your shoulder steadier than a
smaller, primarily hand-balanced unit.
In addition, there are feature limitations with size, especially
noticeable with digital camcorders. Many of the smallest cameras today
can only be built with smaller lenses (with shorter zoom ranges),
small LCD monitors and less controls. Also, as size goes down,
built-in LCD monitors get smaller and may be harder to see.
Zoom Lens
Most camcorders come with a built-in zoom lens. You can’t change
them (although you can add accessory wide-angle or telephotos
attachments). However, as you compare digital camcorders, there are
some differences in lenses that are worth noting.
The better cameras often have larger lenses (they physically look
larger). Larger lenses offer the manufacturer some leeway in making
better quality optics (which can be seen in the higher quality images
that video offers) and lenses that let in more light in low-light
conditions.
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VHS-C |
| Possibly
the most convenient camcorder format, VHS-C
allows you take the tape out of the cam,
place it into the supplied adapter, and then
slip it into your VCR for easy viewing. |
8
mm & Hi8 |
| 8mm
is a great combination of economy and
ease-of-use. The tapes can't play in your
VCR but the cam can easily attach to your TV
or VCR via RCA-type jacks. 8mm delivers
slightly higher resolution than VHS-C and
can use inexpensive, 120 minute tapes. |
| Hi8
is similar to 8mm but offers higher
resolution. Often, Hi8 cameras have more
features than 8mm, but the tapes are more
expensive. |
DV
and Digital 8 |
| These
formats are similar in resolution but, DV
gets a slight edge, especially in the
higher-end models, which can actually
generate picture quality surpassing DVD.
Digital 8 cams are slightly larger, but
offer the benefit of using Hi-8 tapes for
added economy. DV cams will be smaller and,
usually offer more features, especially on
the higher-end models. |
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Focal length is very misleading on camcorders. The actual image
size depends on the size of the sensor (what is called a CCD chip, a
light sensitive electronic device) compared to the size of the lens.
The actual millimeters in focal length is rather meaningless if you
don’t know the chip size. Luckily, most manufacturers give specs
that include the equivalent in terms of 35mm photography (which more
people are familiar with). That can help if you realize that 50mm is
considered “normal” for 35mm cameras. Any smaller number is a
wide-angle; any larger number is a telephoto.
Once you check, you’ll quickly discover that camcorders generally do
very poorly at the wide-angle end of things. Most of them barely get
even the equivalent of a 40mm lens in 35mm format (which is not much
of a wide-angle). And some don’t even go wider than a
"normal" 50mm. This makes that "X-factor" for the
zoom (6X zoom, 10X zoom, etc.) a distraction rather than a help. If
you are doing mostly indoor videotaping or at least you are usually
close to the subject, a 12X zoom may be less valuable than a 6X zoom
if the 6X has more of a wide-angle.
All camcorders have a decent telephoto end to the zoom, with some
giving extreme focal length equivalents that would make a professional
wildlife photographer jealous. If you are really serious about
videotaping the birds or sports action, definitely consider a camera
with a long zoom range. Most of that range will be in the telephoto
focal lengths.
You will hear some hype about a “digital zoom.” While fairly
common on digital video camcorders, it actually has nothing to do with
the “digital” of digital video. What happens is that the camera
crops the image in camera, using a smaller part of the sensor. Less
sensor, means less quality can be captured. With the digital zoom,
image quality drops in a hurry – images look soft, fuzzy, colors are
off and so on. There’s no problem in buying a camera with a digital
zoom – you don’t have to use it. Just don’t be taken in by
digital zoom hype as a reason to buy one camcorder over another.
Image Stabilization
Image stabilization is a valuable feature as it helps keep your image
steady when the camera is used handheld. The technology uses special
lenses and/or circuits to keep your image still even though the camera
might be moving a little. It won’t get rid of all movement, but it
will dampen that motion so the viewer doesn’t get seasick. At
wider-angles of your zoom, the image can look so stable it seems to be
shot from a tripod. At extreme telephoto positions, you should use a
tripod.
There are two flavors of image stabilization: optical and
electronic. In the optical type, tiny motion sensors detect the
camera’s movement, and then use microprocessers to control motors
that move special lens elements to compensate for camera movement.
Pretty amazing stuff.
In electronic stabilization, the camera actually adjusts what it
sees on the sensor (the CCD chip) to a smaller area, then moves this
active area around on the chip to compensate for camera movement. This
system is less expensive, but since it effectively reduces the sensor
size, it reduces image quality and gives you even less
"wide-angle" to your zoom.
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Still photos
Some digital camcorders offer a “digital camera” option. This
allows you to use the camcorder for still photos as if it were a
digital camera. This can work, but it has some serious limitations, so
I would not use this as a criteria for buying a camcorder. The biggest
problem is resolution – video is shot at 640 or 720 x 480. This is a
low resolution, not even close to even a one megapixel digital camera.
It is okay for the email and the Internet (yielding about a 6x10-inch
picture on your monitor), but not for prints bigger than about
3x5-inches (and even then, they won’t compare to a 35mm print). The
still images are stored on the camcorder in two ways – on tape or on
a memory card. The tape method can be a problem in finding and
downloading the images. Memory cards are easier to use.
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Viewfinder and LCD
You have to see what you are videotaping. You will find two options
for doing that on camcorders: a viewfinder and an LCD monitor. Most
digital video camcorders use a combination of both, as there are
advantages and disadvantages to both systems.
A viewfinder includes an eyepiece for you to look into, and what
you see is a magnified color video mini-monitor. A traditional video
viewfinder allows you to see the image under any conditions; it is
usually sharper than a large LCD monitor (you can also focus your
eyepiece for best viewing sharpness); it uses less battery power; and
it is less expensive so a camera that only has a viewfinder can be
sold for less.
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An LCD monitor is a mini-TV a
couple of inches across that is built-in to the camcorder. Many
camcorders now use a fold-out monitor to keep the camera more
compact for portability. These monitors are very convenient ways of
framing your video. You don’t need to keep your eye right up to
the viewfinder to see, which also means you are using both of your
eyes. You don’t need to shut one.
Built-in LCD monitors usually swivel so you can hold your camcorder
at a height that is most comfortable for you. You can even hold the
camcorder over your head to clear a crowd and still see the image.
The monitor can also be completely turned around so the person being
taped can see themself (or you can tape yourself). Finally, this
small panel is a great way to review the footage you shot earlier.
All that would make the LCD monitor perfect for every viewing need
except for one major shortcoming. It is hard to see in bright light.
A regular viewfinder is always better under those conditions.
The best answer – choose a camcorder with both ways of viewing.
Lux
This is a tricky item. It is supposed to be an indication of how
well a camcorder can do under low light conditions. Unfortunately,
there is no standard accepted by camcorder manufacturers as to how
it should be measured. The lux numbers of camcorders within a given
brand can be compared because any given manufacturer will usually
measure lux consistently. Comparing lux ratings from brand to brand
is a futile exercise.
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Three chips
A few high-end digital camcorders have three chips for capturing
video as compared to one chip for most camcorders. This does make a
difference in quality, but it also significantly increases the
price. Because digital video is so good, the expense of three chips
is a luxury for most people. However, for those people who want the
absolute best in video image quality, three-chip technology can
deliver. It won’t change sharpness (this is limited by the NTSC
standard to 525 lines of resolution), but it can find and capture
better tonal and color detail in a scene.
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Sony
Camcorder DCRTRV22
$497.00 Sony MiniDV
Handycam® Camcorder - DCRTRV22/ 2.5"
SwivelScreen™ Touch Panel LCD Display/ 1/4"
Advanced HAD™ CCD Imager, 680K Pixels Gross/
Professional Quality Carl Zeiss® Vario-Sonnar®
Lens/ 10X Optical/120X Precision Digital Zoom/ USB
Streaming/ Ultra Compact Design/ Free
Camera Case And Tripod
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SAMSUNG
SCD27 Digital Camcorder MiniDV
/ 10x Optical and 400x Digital Zoom / Also shoots still pictures for Memory
Stick Storage / iLink / USB / 3.5" LCD
$379.88
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Mid Size Tripod
This Mid-Size Tripod from Sharp®
features a quick release and gear drive
$39.99
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