23
More on Photography
Focus Lock
To compose photographs with o -center subjects:
1
Position the subject in the focus frame.
2
Focus.
Press the shutter button halfway to set fo-
cus and exposure. Focus and exposure will
remain locked while the shutter button is
pressed halfway (AF/AE lock).
250
250
F
3.3
F
3.3
Press
halfway
Repeat steps 1 and 2 as desired to refocus
before taking the picture.
3
Recompose the picture.
Keeping the shutter button pressed halfway,
recompose the picture.
250
250
F
3.3
F
3.3
4
Shoot.
Press the shutter-release button the rest of
the way down to take the picture.
Press the rest of
the way down