Canon EF-S17-85mm 1/4-5.6 IS USM Instructions Manual page 6

The lens can focus as close as 0.35 m/1.2 ft for
close-ups (macro photography).
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Close-up Photography (Macro Photography)
[]] To focus at 0.35 m/1.2 ft, set the lens focus mode
switch to MF. Look through the viewfinder and
move your body forward or back to focus. Take
the shot when the subject is in focus.
To zoom, turn the lens' zoom ring.
Osesureto·finishzooming before focusing.
Changingthezoomringafter focusing can affect
the focus.
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