Drive - Canon EOS 20D Service Manual

100 - 400 (100 for speeds slower than 1/500 sec.)
Full Auto
Portrait
100 - 400 (100 for 1/1.25f* and faster speeds)
Landscape
100 - 400 (100 for speeds slower than 1/500 sec.)
Close-up
Sports
100 - 400 (100 for speeds slower than 1/500 sec.)
Night Portrait
100 - 400 (100 for speeds slower than 1/500 sec.)
Flash Off
* Focusing distance 0 1/1.25 sec.

1.7 Drive

1) Continuous shooting
A maximum continuous shooting speed of 5 shots/sec. can be attained in
both the One-Shot AF and AI SERVO AF modes. This is made possible by the
new drive mechanism (mirror up/down, shutter cocking/release mechanism),
the CMOS sensor (4-channel x 16 MHz reading) enabling high-speed signal
reading, and the DIGIC II (parallel processing for each sensor output channel)
enabling high-speed image processing.
2) Maximum burst during continuous shooting
The EOS 10D's maximum burst during continuous shooting was nine shots
regardless of the recording quality setting. With the EOS 20D, the maximum
burst depends on the image's process-ing method. As shown in Table 25, the
max. burst is approx. 23 shots in the Large/Fine mode when Canon 512MB CF
card is used.
Recording Quality
Max. Burst [Approx.]
Note 1: Canon 512MB CF card = Super High-speed type CF card
Note 2: Depending on the shooting condition, development condition and CF card type, max. burst of
JPEG images may vary.
Note 3: With the EOS 10D, no image processing is executed during continuous shooting. The image
is processed after the shooting stops. However, with the EOS 20D, image processing is
executed even during continuous shooting. Therefore, the maximum burst during
continuous shooting is much higher when the recording quality is JPEG.
Note 4: If the recording quality is RAW or RAW+JPEG or if white balance bracketing is used, the
image processing method will be the same as the EOS 10D's (because the buffer memory
capacity is the same as the EOS 10D's and there are more recorded pixels). Therefore, the
maximum burst during continuous shooting will be lower than the EOS 10D's.
Table 008 Automatic ISO Speed Settings
No Flash
100
400
Table 009 Maximum burst during continuous shooting
L/F L/N M/F M/N
23 43 36
19
W/built-in
flash
400
400
-
400
-
400
-
S/F S/N RAW
83 67 138 6
Technical Information
W/external
Speedlite
400
400
400
400
400
400
400
RAW+JPEG
6