When Autofocus Fails; Difficult Subiects For Autofocusing; Manual Focusing - Canon EOS Rebel T2 Instruction Manual

When Autofocus Fails (Manual Focusing) w
Autofocus can fail to achieve focus (the locus contirmation light <O> blinks) with
certain subjects such s the following:
Difficult Subiects for Autofocusing
. Low-contrast subjects
Example: Blue sky, flat surface with a solid colour
. Subjects in very low light
. Extremely backlit or rellective subjects
Example: Automobile with a strong reflection
. Overlapping near and far objects
Example: Animal behind bars in a cage
. Subjects having a repetitive pattem
Example: Personal computer keyboard, windows on a building, etc
In such cases, do one of the following:
('l) Focus lock an object at the same distance as the subject and recompose
(2) Set the lens focus mode switch to <MF> and focus manually
l[E Manual F.ocusing
,l Set the lens locus mode switch to
I
<MF>-
)
Focus the subiect.
& . Focus by turning lhe lens fmusing ring
until the subject is in tocus in the
viewfinder
Focus ring