Canon EOS 30D EOS 30D Instruction Manual - Page 178

AF Modes and Drive Modes, AE Lock

Page 178 highlights

Function Availability Table AF Modes and Drive Modes Drive mode One-Shot AF AF mode AI Focus AF AI Servo AF uSingle shooting An image cannot be taken Automatically The focus tracks the unless focus is achieved. switches subject movement. When focus is achieved, it between One- The exposure is set is locked. With evaluative Shot AF and AI at the moment the metering, the exposure Servo AF picture is taken. setting is also locked. according to (The exposure setting is the subject stored in memory before status. the shot is taken.) oHigh-speed The above conditions continuous shooting iLow-speed apply during continuous shooting. (o: Max. 5 fps (approx.), i: Max. 3 fps (approx.) Focusing continuous is not executed during shooting continuous shooting. The above conditions apply during continuous shooting. (o: Max. 5 fps (approx.), i: Max. 3 fps (approx.) Focusing is executed even during continuous shooting. AE Lock (In Creative Zone modes) Metering mode AF point selection Automatic AF point selection Manual AF point selection q Evaluative Metering* AE lock is applied at the AF AE lock is applied at the point that achieved focus. selected AF point. w Partial Metering r Spot Metering e Center-weighted Average Metering AE lock is applied at the center AF point. * When the lens' focus mode switch is set to , AE lock is applied at the center AF point. Image Conversion Factor Since the image area is smaller than the 35mm film format, it will look like the lens focal length is increased by 1.6x. 178 Image size 22.5 x 15.0mm (0.89 x 0.59 in) 35mm image size 36 x 24mm (1.42 x 0.95 in)

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Function Availability Table
178
*
When the lens’ focus mode switch is set to <
MF
>, AE lock is applied at the center AF point.
AF Modes and Drive Modes
Drive mode
AF mode
One-Shot AF
AI Focus AF
AI Servo AF
u
Single
shooting
An image cannot be taken
unless focus is achieved.
When focus is achieved, it
is locked. With evaluative
metering, the exposure
setting is also locked.
(The exposure setting is
stored in memory before
the shot is taken.)
Automatically
switches
between One-
Shot AF and AI
Servo AF
according to
the subject
status.
The focus tracks the
subject movement.
The exposure is set
at the moment the
picture is taken.
o
High-speed
continuous
shooting
i
Low-speed
continuous
shooting
The above conditions
apply during continuous
shooting. (
o
: Max. 5
fps (approx.),
i
: Max.
3 fps (approx.) Focusing
is not executed during
continuous shooting.
The above conditions
apply during continuous
shooting. (
o
: Max. 5
fps (approx.),
i
: Max.
3 fps (approx.) Focusing
is executed even during
continuous shooting.
AE Lock
Metering mode
AF point selection
Automatic AF point
selection
Manual AF point
selection
q
Evaluative
Metering*
AE lock is applied at the AF
point that achieved focus.
AE lock is applied at the
selected AF point.
w
Partial Metering
AE lock is applied at the center AF point.
r
Spot Metering
e
Center-weighted
Average Metering
(In Creative Zone modes)
Image Conversion Factor
Since the image area is smaller than the
35mm film format, it will look like the lens
focal length is increased by 1.6x.
Image size
22.5 x 15.0mm (0.89 x 0.59 in)
35mm image size
36 x 24mm (1.42 x 0.95 in)