|THE MEGAPIXEL MYTH?
Why More Megapixels Are Not Necessarily
Worth the Money
Camera retailers tell us that you need more megapixels so
they can sell bigger, more expensive cameras. What's really behind
the megapixel rating of a camera and how much is really needed?
A megapixel (MP) is a million pixels, which sounds like
a lot until you realize that 3.1 MP
is only 2,048 × 1,536
MP would make the same picture
3,072 x 2,048 pixels, which would
printed out or viewed at 4"×6"
When printed or viewed normally at the same size,
picture B will NOT look better than picture A. An
increase in pixels to 6.3 MP does not "double" the
picture quality when viewed as a printed photograph or on a
computer screen without enlargement or photo
enhancement. The human eye cannot tell the
This effect has generated warnings from some photographers acting
as "consumer advocates" - professionals watching out
for the best interest of consumers. They will warn consumers that
more megapixels will not make a difference for most common uses.
We at Kneson Software decided
to test this theory to the max by taking
an ordinary photo taken with a 3.1 megapixel camera and creating
a floor-to-ceiling wall mural with it. Our results
proved this to be true - higher megapixels are not required
for astounding visual results. The photo below is a photo taken
in South New Jersey where the vegetation is very lush (The Garden
Notice the level of detail in
the above picture. There are many leaves and imagery of small
vegetation. We guessed that this ordinary 4"×6" photo
would would fall apart visually when enlarged floor to ceiling. We
were wrong! Here is a photo of the wall mural:
|The result is astonishing to say the
least. This wall mural has altered the feeling in this
room immensely. You can see all of the image content
almost as if you were actually there. More megapixels are not necessarily
when enlarging with Imagener and YottaPrint.
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|THE NUMBER ONE CAMERA
|Confused about what digital camera is the best? A top consumer
magazine ranked cameras in the following categories:
SUBCOMPACT - cameras that weigh 5 to 8 ounces and can fit in
COMPACT CAMERAS - weigh 7 to 14 ounces
ADVANCED COMPACT CAMERAS - larger and heavier than compacts, with versatile controls and
long zoom lenses
SUPER ZOOM MODELS - very long zoom range--10x or greater
THE NUMBER ONE CAMERA TO BUY in each of
these categories is as follows:
||#1 COMPACT MODEL
Canon PowerShot A620 Digital Camera
With a 4X optical zoom that spans a useful 35mm-to-140mm (35mm-equivalent)
range, the Canon PowerShot A620 keeps up the A95's tradition of packing
full manual controls and a solid list of scene modes into an easy-to-use,
moderately sized camera that will meet the needs of a broad spectrum
of photographers. Given the A620's improved performance, higher-quality
movie clips, larger LCD, G-series lens, and high resolution, some PowerShot
A95 users may want to upgrade.
||#1 SUBCOMPACT MODEL
Powershot SD500 7.1MP Digital Elph Camera
The Canon PowerShot SD500 has 7.4 total and 7.1 effective megapixels
on its large 1/1.8-inch CCD. Besides upgrading the amount of megapixels
in this series, Canon redesigns the SD500’s compact outer shell.
Retaining a slight 3.37 x 2.24 x 1.04-inch form, the SD500 adds a comfortable
rounded edge to its right side. This “Perpetual Curve Design” departs
from the sharp 90-degree angles distinguishing earlier Digital ELPHs.
||#1 ADVANCED COMPACT MODEL
Kodak EasyShare P880 - digital camera
The Kodak EasyShare P880 is a good example of a hybrid camera. Besides,
the Kodak P880 has several interesting features. The lens is a Schneider
Kreuznach and has a very interesting range from 24 – 140 mm,
comparable to 35 mm format. Moreover, Kodak never reports the true
focal point, but from the EXIF data we can deduce a lens of 5 – 29.4
mm, thus giving us a multiply factor of virtually 5. With a ring to
focus and zoom, it even feels like a professional camera.
Canon PowerShot S2IS digital camera
The Canon S2 IS camera features an impressive optical zoom of 12x combined with an almost indispensable image stabilisation. When used to working with this function, you don't want to do without it anymore. The specifications of the Canon Powershot S2 IS are impressive; 5 Megapixels, 12x zoom with optical image stabilisation, high video clip resolution and the already rather famous DIGIC II processor.