Canon PowerShot TX1 PowerShot TX1 Camera User Guide Advanced - Page 51

Locking the Exposure Setting, AE Lock

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Shooting z The AF lock is convenient because you can let go of the shutter button to compose the image. Moreover, the AF lock is still effective after the picture is taken, allowing you to capture a second image with the same focus. z When shooting with the focus lock or AF lock, setting [Face Detect AF] to [Off] (p. 46) makes shooting easier since the camera focuses using the center AF frame only. z AF can also be locked during movie shooting. Locking the Exposure Setting (AE Lock) Shooting Mode You can set the exposure and focus separately. This is effective when the contrast is too strong between the subject and background or when a subject is backlit. You must set the flash to . The AE lock cannot be used when the flash is set to fire. 1 Focus on the part of the subject on which you wish to lock the exposure setting. 2 Press the shutter button halfway and press the Multi Controller . z The icon will display. 3 Re-aim the camera to compose the shot as desired and press the shutter button fully. To Release the AE Lock Press the Multi Controller . You can use the FE lock (p. 50) when using the flash. 49

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49
Shooting
You can set the exposure and focus separately. This is effective
when the contrast is too strong between the subject and
background or when a subject is backlit.
To Release the AE Lock
Press the Multi Controller
.
The AF lock is convenient because you can let go of the
shutter button to compose the image. Moreover, the AF lock
is still effective after the picture is taken, allowing you to
capture a second image with the same focus.
When shooting with the focus lock or AF lock, setting [Face
Detect AF] to [Off] (p. 46) makes shooting easier since the
camera focuses using the center AF frame only.
AF can also be locked during movie shooting.
Locking the Exposure Setting
(AE Lock)
Shooting Mode
You must set the flash to
.
The AE lock cannot be used when the flash is set to fire.
1
Focus on the part of the subject on which
you wish to lock the exposure setting.
2
Press the shutter button halfway and press
the Multi Controller
.
The
icon will display.
3
Re-aim the camera to compose the shot as
desired and press the shutter button fully.
You can use the FE lock (p. 50) when using the flash.