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.
For this wide angle shot the CCD sensitivity is set to 100 ISO
which keeps any potential noise to the absolute minimum. The
auto white balance evaluates the mixed lighting extremely well,
and the colours the camera captures are quite accurate.
Photo
Information
Format:
JPEG
Aperture:
f2.8
Exposure:
Auto
Shutter Speed:
1/60 sec.
Res:
2592 x 1952
Flash:
On
Quality:
****
ISO:
100
File Size:
2.23 MB
Focal Lgth:
39 mm (35mm Eq.)
The overall sharpness of the image
is good, but some of the finer details such as the cloth's texture
are softened by the compression process.
ZOOM PHOTO
Now we zoom in on a specific area. The intent
is to test the sharpness of the image at the zoom's maximum
setting. The camera remains at the same distance as with the
preceding photo.
Zoomed in, the 117mm equivalent focal length of the zoom frames
a much smaller section of the subject. The Auto white balance
is a bit affected by the change of content in the frame and yields
an image with noticeably bluer overtones.
Photo
Information
Format:
JPEG
Aperture:
f4.9
Exposure:
Auto
Shutter Speed:
1/125 sec.
Res:
2592 x 1952
Flash:
On
Quality:
****
ISO:
100
File Size:
2.56 MB
Focal Lgth:
117 mm (35mm
Eq.)
At the highest possible
image quality however, the image sharpness is quite good and
some of the printing screens that create the background colour
on the old photographic paper's envelope are visible.
Aperture: f2.8, speed: 1/62 sec., 100 ISO.
MACRO PHOTO
Engaging the Macro mode, the R707 is able to focus on a
subject from 14 to 90 cm (5.46 to 35.1 in.) when the zoom is
set to the wide angle end, and from 50 cm to 1m (19.5 to 39 in.)
at the maximum telephoto setting.
Set to wide angle, and the closest focus distance, the R707 captures a
field of view measuring approximately 8.5cm (3.31 in.), while at the telephoto
end the field of view is approximately 16.5 cm (6.43 in.)
When photographing subjects that
are this close, the flash cannot be used as it would cause an
overexposure. Therefore the camera must be stabilized — a
mini-tripod is ideal — as the shutter speeds can be quite
low.
The effect of the compression can be seen in the image shown below, softening
the sharpness of the fibers that creates the texture of the cloth flower.
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.
Outdoors, the averaging metering pattern of the R707 produces
an excellent exposure. Although images can show some barrel distortion
when straight elements are aligned close to the edges of the
frame, none is observable in this image. More importantly however,
photos taken of high contrast subjects such as this one show
no chromatic aberration whatsoever.
Photo
Information
Format:
JPEG
Aperture:
f4.8
Exposure:
Auto
Shutter Speed:
1/441 sec.
Res:
2592 x 1952
Flash:
Off
Quality:
Best
ISO:
100
File Size:
2.4 MB
Focal Lgth:
39 mm (35mm Eq.)
ZOOM PHOTO
A white, overcast Autumn sky, such as the one shown here, softens
shadows and lessens contrasts. The result is that an exposure
compensation setting of +1/3 EV is used to brighten up the entrance
of the building.
Still, it is obvious that the lens does not impart any distortion at the
telephoto setting — straight lines are visibly straight — nor
does it cause any chromatic aberration.
Photo
Information
Format:
JPEG
Aperture:
f4.9
Exposure:
Auto
Shutter Speed:
1/156 sec.
Res:
2592 x 1952
Flash:
Off
Quality:
Best
ISO:
200
File Size:
2.4 MB
Focal Lgth:
117 mm (35mm
Eq.)
NIGHT PHOTO
Since this camera is capable of long exposures,
a photo taken at night is included here.
While the Aperture Priority mode
of the R707 offers a choice of 2 apertures, shutter speeds are
under the control of the camera and ensuring that the camera
actually uses its maximum exposure of 16 seconds requires a bit
of trickery.
To get the camera to expose the subject for 16 seconds, the focus is set
to infinity and the lens is covered so as to fool the metering system into "thinking" that
the subject is much darker than it actually is.
Aperture: f4.8; speed:
16 sec, 100 ISO.
With the sensitivity set to 100
ISO — the ISO setting the least prone to noise — the
noise reduction system proves itself efficient and eliminates
just about every trace of noise. The HP R707 uses the standard
noise reduction method, capturing a second exposure with the
same duration after the main exposure, but without opening the
shutter so as to gather only noise. The noise content of the
second exposure is then used to identify noise in the first exposure
and remove it.
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Test Photos
