Canon EOS-1D X Af Setting Manualbook page 30

AF Area selection mode [Spot AF]
Focusing on a small or narrow area
Reduce the size of a single AF point to focus on one very precise area of a subject
When set to [Single-point Spot AF], a small rectangle is
displayed inside the manually selected AF point.
[Single-point Spot AF] mode can be ideal to
focus on a small area of the subject. This option
makes it possible to focus critically, even when
there is an obstacle near the area you want to
focus on. A common example when shooting
30
Snapshot of a BMX
r i d e r w e a r i n g a
helmet. Focus was
pinp ointed on the
eye using [Single -
point Spot AF].
[Single-point Spot
A F ] i s e f f e c t i v e
w h e n t h e r e i s a n
o b s t a c l e l i k e t h e
edge of the helmet
or visor near the eye
you want to fo cus
on. W ith s tandard
AF systems, this can
r e s u l t i n t h e A F
system focusing on
these edges rather
t h a n e y e o f t h e
subject.
sports is when you want to focus on the eyes of
a rider wearing a helmet (see photos above).
With normal settings, the larger area of a
standard AF point can easily get caught on the
edge of the helmet near the eye, resulting in