Here are a few images that accurately reflect the abilities
of any given camera model. The images are altered only in
terms of size and sharpness after reduction and by the JPEG
compression used. Unless otherwise mentioned, assume that
any marbling or artifacts visible in the images are due to
the compression required to display them here. We feel however,
that they still faithfully represent the results we experienced.
STILL LIFE PHOTO
This subject is photographed in a room that has
a mix of fluorescent and incandescent light, but which is not
brightly lit. The camera's flash is used to add fill light.
The backdrop is 1.95 m (6.5 ft) from the camera.
The built-in flash of the LS743 is powerful enough to light the subject
evenly, and there is no light falloff in the corners of the image.
As can be seen below, the image is reasonably detailed, but the compression
does soften the edges of objects.
Photo
Information
Format:
JPEG
Aperture:
f3.0
Exposure:
Auto
Shutter Speed:
1/60 sec
Resolution:
2304 x 1728
Flash:
On
Quality:
Best
ISO:
80
File Size:
650 KB
Focal Length:
36 mm (35mm Equiv.)
ZOOM PHOTO
Now we zoom in on the centre of the image above to gauge the
sharpness of the image at the zoom's maximum setting. The camera
remains at the same distance as in the preceding photo.
At the maximum telephoto setting of the zoom, the lens of
the LS743 corresponds to a 100mm lens in the 35mm film format,
a short telephoto. At this focal
length the maximum aperture available to the camera is f4.9, a smaller
aperture, and we can see that the image is a touch darker than it is
with the wide angle shot.
Photo
Information
Format:
JPEG
Aperture:
f4.9
Exp:
Auto
Shutter Sped:
1/90 sec
Rees:
2304 x 1728
Flash:
On
Quality:
Best
ISO:
80
File Size:
755.5 KB
Focal Goth:
100mm (35mm Esq.)
Aperture: f4.5, shutter speed: 1/180sec, 80 ISO.
CLOSE-UP PHOTO
In macro mode and at the wide angle end of the zoom, the
LS743 can focus on a subject at a distance of 5cm to 1m (2 to
39 inches), and from 30cm to 1m (1 to 3ft) when the zoom is at
the telephoto end.
At the closest distance, the lens captures a field of view measuring approximately
4.6cm (1.8 inch) horizontally, and approximately 10cm (4 inches) at the
full telephoto setting.
While the field of view is wider
with the telephoto, it offers the advantage of allowing the use
of the flash without too great a risk of overexposure.
BUILDING PHOTO
This image is our outdoor test. The architecture
of the building, in particular the angled girders, immediately
show the presence of jaggies. The shadowed entrance can also
often reveal the quality of the exposure.
As this shot illustrates well, the LS743 produces excellent exposures that
have natural and bright colours. The photo shows no chromatic aberration,
and the slight barrel distortion that can occasionally be detected in indoor
shots is undetectable with this subject.
Photo
Information
Format:
JPEG
Aperture:
f4.8
Exposure:
Auto
Shutter Speed:
1/350 sec
Resolution:
2304 x 1728
Flash:
Off
Quality:
Best
ISO:
80
File Size:
877.1 KB
Focal Length:
36 mm (35mm Equiv.)
ZOOM PHOTO
Zoomed in, the LS743 provides yet another example of a perfectly exposed
image, the result of the multi-segment metering that is used by default.
The areas directly lit by the sun are not overexposed, and those in the
shadows, while dark, still contain some detail and are noise-free. The
section below is cropped from the full 4-megapixel frame so as to include
both highlights and shadow areas.
Photo
Information
Format:
JPEG
Aperture:
f4.9
Exp:
Auto
Shutter Sped:
1/350 sec
Rees:
2304 x 1728
Flash:
Off
Quality:
Best
ISO:
80
File Size:
1.1 MB
Focal Goth:
100 mm (35mm Esq.)
NIGHT PHOTO
Since this camera is capable of long exposures,
a photo taken at night is included here.
Aperture: f3; shutter
speed: 16 sec., 80 ISO.
The Kodak LS743's Long Exposure
mode is activated in the menu. The long exposure mode allows
the user to select a shutter speed (1, 2, 4, 8 or 16 seconds)
while the camera selects the aperture.
When the long exposure mode is used, the camera prevents access to the
ISO setting and forces the sensitivity to 80 ISO to minimize the electronic
noise that invariably gets recorded over the course of the long exposure.
Once the image is captured, the
camera processes it for noise reduction using a common method
that captures a second frame with the same exposure time, but
without opening the shutter. The noise captured in the second
exposure is then used to eliminate it from the first prior to
saving it to the memory.
The noise reduction system is quite effective, and the image the LS743
yields is nearly free of noise while retaining a very good level of sharpness.
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Test Photos
