Canon EF-S18-135mm f/3.5-5.6 IS Instruction Manual page 9

6
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 the Canon
Circular Polarizing Filter PL-C B (67mm).
¡To adjust the polarizing filter, first remove the
lens hood.
7
Extension Tubes (Sold Separately)
You can attach Extension Tube EF12 II or EF25
II for magnified shots. The shooting distance and
magnification are shown below.
Camera-to-Subject
Distance (mm)
Near
18mm
EF12 II
135mm 304
18mm
EF25 II
135mm 252
Manual focusing is recommended for accurate
focusing.
Magnification
Far Near Far
Incompatible
1551 0.38× 0.09×
Incompatible
806 0.59× 0.21×
ENG-8