Canon 40D - EOS 40D DSLR, Руководство по обслуживанию

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Technical Information
1
1. TECHNICAL DESCRIPTION
This section focuses on the new technologies incorporated after the EOS 30D. The
explanation of new features already incorporated in the EOS-1D Mark III will be cited in the
EOS-1D Mark III "Service Manual."
＊ Normally, topics related to direct printing, direct image transfer, print ordering, interface, and power source covered
in the "Technical Information" do not delve into technical details any more than in "General Information". They are
only cited here.
1.1 Imaging element and CMOS sensor
１）Overview
The CMOS sensor (Fig. 001) has been developed and manufactured by Canon. It boasts
the highest performance in its class: Approx. 10.10 megapixels, ISO 100-1600 and H
3200, high-speed signal reading with 6.5 fps shooting, Live View silent shooting mode with
electronic 1st-curtain shutter, etc.
Table 001 CMOS sensor specifications
Specification EOS 40D EOS 30D
Effective pixels
3904×2598
(Approx. 10.10 million)
3520×2342
(Approx. 8.20 million)
Total pixels
3996×2620
(Approx. 10.50 million)
3600×2360
(Approx. 8.50 million)
Effective sensor
size [mm]
22.2×14.8 22.5×15.0
Pixel size [ m] 5.7 6.4
Color filter RGB primary color filter
Aspect ratio 3:2
２）Wide ISO speed range and low noise
While based on the EOS DIGITAL
REBEL XTi/400D DIGITAL's CMOS
sensor design and manufacturing
technology, new processes
were incorporated in the CMOS
semiconductor fabrication and
microlens-forming process. By
improving the light-condensing
efficiency, the same ISO range and low
noise (S/N ratio) as the EOS 30D were
attained.
３）High-speed, 4-channel reading
With 4-channel reading per line and faster reading (about twice as fast as EOS 30D),
high-speed signal reading enabling approx. 6.5 fps continuous shooting is attained.
Fig. 001 CMOS sensor
Table 002 ISO Speed and Pixel Size
Camera ISO Speed Pixel Size [ m]
EOS 40D 100 - 1600, 3200 5.7
EOS 30D 100 - 1600, 3200 6.4
EOS DIGITAL
REBEL XTi/
400D DIGITAL
100 - 1600 5.7
EOS-1D Mark III 50, 100 - 3200, 6400 7.2
EOS-1Ds Mark II 50, 100 - 1600, 3200 7.2