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 wide angle shot presented here is captured with an EF
17-40 mm f/4L USM lens. At the wide end, the lens is equivalent
to a 27.2 mm focal length.
This L lens yields a sharp image, and the built-in flash
of the EOS 30D provides excellent coverage (its maximum coverage
is 17mm).
Photo Information
Format:
RAW (CR2 format)
Aperture:
f4
Exposure:
Program
Shutter Speed:
1/60 sec.
Resolution:
3504
x 2336
Flash:
On
Quality:
Non-lossy
ISO:
100
File Size:
7.06 MB (RAW)
Focal Length:
27.2 mm (35 mm
Eq)
The image is captured in RAW
format, and converted to TIFF using "As Shot" settings,
using Canon's Digital Photo Professional software supplied
with the 30D.
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.
The zoom photo is captured with an EF 75-300 mm f/4-5.6
IS USM lens. As this image is captured with the camera mounted
on a tripod, the lens' image stabilizer is turned off.
At its full magnification, the zoom has the 35 mm equivalent
of a 480 mm lens because the 30D's CMOS sensor is smaller
than a full 35 mm frame.
Photo Information
Format:
RAW (CR2 format)
Aperture:
f5.6
Exposure:
Program
Shutter Speed:
1/60 sec.
Resolution:
3504
x 2336
Flash:
On
Quality:
Non-lossy
ISO:
100
File
Size:
7.15 MB (RAW)
Focal Length:
480 mm (35 mm
Eq)
The lens' magnification is so great
that it is only able to capture a small section of the subject.
It reveals, however, a superb level of detail.
Aperture: f2.8, shutter speed: 1/6 sec.,
100 ISO.
MACRO PHOTO
One of the advantages of a Canon dSLR is that it can use
any of a number of excellent macro capable lenses. For this
shot, a EF-S 60 mm f/2.8 Macro USM was used. At its closest
focusing distance, this lens, designed for use with Canon
digital SLR cameras, captures a field of view, horizontally,
of just over 2.1 cm (0.8 inch).
The EF-S 60 mm f/2.8 Macro USM is an excellent lens that
has no distortion, and which yields tack-sharp images.
BUILDING PHOTO
This image is our outdoor test. The architecture
of the building, in particular the angled girders, immediately
shows the presence of jaggies. The shadowed entrance can also
often reveal the quality of the exposure.
The next two photos are captured with an EF 17-40 mm f/4L
USM. At the wide end the lens is able to capture a broad portion
of the building.
With this lens, we can note that there is no chromatic aberration,
and that the detail the CMOS sensor captures is excellent.
For these photos, the metering is left up to the Evaluative
pattern, and the white balance is set to Auto.
Photo Information
Format:
RAW
Aperture:
f8
Exposure:
Program
Shutter Speed:
1/125
Resolution:
3504
x 2336
Flash:
Off
Quality:
Non-lossy
ISO:
100
File Size:
8.28 MB
Focal Length:
27.2 mm (35 mm
Eq)
As can be seen in the image below,
cropped from the full size image, the 30D captures accurate
colours, and even the deeper shadows show no noise.
ZOOM PHOTO
Zooming in on the entrance of the building,
the shadowed entrance takes on a greater importance for the
metering and can cause an overexposure of sections that are
directly lit.
At the maximum telephoto setting, this lens is only equivalent
to a 64 mm focal length. As a result it captures a relatively
large section of the building. Nevertheless, the detail it
is able to capture is excellent.
The Evaluative metering of the 30D yields a very well balanced
image, with a lot of detail visible in the shadow areas and
behind the green glass doors, as well as in the directly lit
areas.
Photo Information
Format:
RAW
Aperture:
f7.1
Exposure:
Program
Shutter Speed:
1/125
Resolution:
3504 x 2336
Flash:
Off
Quality:
Non-lossy
ISO:
100
File Size:
9.12 MB
Focal Length:
64 mm (35 mm Eq)
NIGHT PHOTO
Since this camera is capable of long exposures,
a photo taken at night is included here.
Aperture: f5, shutter speed 4 sec., 100 ISO.
With the EOS 30D, night photography
is just one more aspect of photography to explore fully. Right
out of the box, the 30D is capable of timed exposures as long
as 30 seconds. In addition, a B (Bulb) mode is available
and unlimited in terms of exposure time, although it does
require the use of either the optional Remote Switch (RS-80N3)
or of the Timer Remote Controller (TC-80N3).
Similarly, the 30D offers a mirror lock-up function that
prevents vibration from the mirror at the beginning of a long
exposure, avoiding having the image be slightly blurred by
the mirror's motion.
With a 30 second exposure, the 30D can yield
superb images at night, and even with noise processing, images
that are remarkably sharp, particularly when shot in cold
crisp winter air.
Adventurous souls will discover that combining sensitivities
as high as 800 or even 1000 ISO with long exposures and the
Monochrome Picture Style can result in images that not only
show a stunning amount of detail, but which contain a relatively
reasonable amount of noise.
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