Infinity Distance Mark - Canon EF-S17-85mm f/4-5.6 IS USM Instructions Manual

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Infinity Distance Mark

To compensate for shifting of the infinity focus
point that results from changes in temperature.
The infinity position at normal temperature is the
point at which the vertical line of the L mark is
aligned with the distance indicator on the
distance scale.
For accurate manual focusing on subjects at
infinity distance, look through the viewfinder while
rotating the focusing ring.
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Filters (Sold Separately)
You can attach filters to the filter mounting
thread on the front of the lens.
¡Only one filter may be attached.
¡If you need a polarizing filter, use Canon's PL-C
67mm polarizing filter.
¡To adjust the polarizing filter, first remove the
lens hood.
¡When the PL-C 67mm polarizing filter is
attached, the lens cap cannot be attached.
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