I. OVERVIEW
The new Canon EOS 40D welcomes users to the next generation of Digital SLR photography
by continuing the Canon traditions of exceptional performance, quality and value. The
EOS 40D has a newly-enhanced 10.1 megapixel CMOS sensor that takes advantage of
Canon-developed manufacturing techniques to achieve fine detail, high image quality,
and low noise. The output from the sensor is converted to 14 bits, rather than 12, for
finer color gradation. Highlight Tone Priority improves exposures in difficult lighting conditions.
The EOS 40D is really fast, too. It fires those 10.1 megapixel, 14-bit files at 6.5 frames
per second, shooting continuously with 75 shot bursts of Large/Fine JPEGs or 17 RAW
images. The speed comes from the powerful combination of the new DIGIC III processor,
DDR SDRAM high-speed memory, 4-channel per line sensor readout, and 2 separate
motors for shutter and mirror operation. The EOS 40D has a top shutter speed of
1/8000 sec., X-sync at 1/250 sec., a 0.15 sec. startup time and ISOs to 3200 (using the
extension feature). High ISO noise reduction maintains image quality with low-light shooting.
The EOS 40D is accurate. It has a completely new AF sensor with 9 cross-type AF points
and an innovative center AF point sensitive to vertical and horizontal lines at f/2.8.
Live View Function opens up a whole range of new possibilities for camera operation
and placement, either looking at the camera's new, large 3.0-in. LCD monitor, or viewing
and firing remotely using the new Wireless File Transmitter WFT-E3A.
The EOS 40D is easy to use and eminently convenient. It has a bright, high-magnification
viewfinder with a broad field of view. The Self Cleaning Sensor Unit with Dust Delete
Data takes care of most dust-related problems. Image display and navigation are now
simpler and have more options, and Camera Direct printing has been enhanced.
The EOS 40D is remarkable in its ability to be configured according to the taste and
requirements of the user. It has new, interchangeable focusing screens, Picture Style
settings, camera setting registration, an AF Start button, and a host of Custom
Functions. Moreover, the EOS 40D's magnesium alloy body and stainless steel chassis
make it rugged and feel great in the hand.
The 40D is a camera that will appeal to a vast range of photographers from advanced
amateurs to working photojournalists and wedding photographers. All will appreciate its
exceptional image quality, ease of operation, speed, modest weight and size, compatibility
with the vast Canon system and very reasonable price. This paper will examine the EOS
40D in detail and show exactly why it is such an important and appealing product.
I. OVERVIEW
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