Filter Mounting Thread - Canon EF24-105MM Instruction

9. 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
77mm ll polarizing filter.
¡To adjust the polarizing filter, first remove the
lens hood.
¡When the PL-C 77mm ll polarizing filter is
attached, the lens cap cannot be attached.
ENG-10
10. Gelatin Filter Holder (Sold separately)
With the Gelatin Filter Holder, you can use filters
to create various effects.
The Gelatin Filter Holder compatibility is shown
below.
¡Gelatin Filter Holder lll:
Incompatible
¡Gelatin Filter Holder lV:
Compatible (lens hood cannot be used)