Canon EF 300mm f4L IS USM - Manual (Page 7)

ENG-6
Full-time manual focusing
enables you to focus manually
even in the autofocus mode.
Set the camera to One-Shot
AF. After focus is achieved,
hold down the shutter button
halfway and turn the focusing
ring to focus manually.
5. Full-time Manual
Focusing
4. Macro Mechanism
This lens is equipped with a
macro mechanism for low
magnification close-up
photography. Autofocus
function is also possible in the
macro range as in normal
shooting.
If a picture with maximum
magnification and minimum
field of view coverage is
required in the macro range, set
the AF mode to manual, turn
the manual focusing ring to the
minimum focusing distance in
the macro range. Then while
looking through the viewfinder,
move the camera (or your body)
back and forth slowly until the
image becomes clear. For the
actual maximum magnification
and minimum field of view
15 30 5 10 ft
m
values, please refer to the
specifications.
10ML_01_EF300 F4L IS_ENG 06.6.19 5:02 PM ページ 6