Filter Mounting Thread - Canon EF 70-300mm f/4-5.6 IS USM Instruction

8. Filters (Sold separately)
You can attach filters to the filter mounting thread
on the front of the lens.
¡The front end of the lens rotates, so hold it when
attaching the filter.
¡Only one filter may be attached.
¡If you need a polarizing filter, use the Canon
Circular Polarizing Filter (58mm).
¡To adjust the polarizing filter, first remove the
lens hood.
9. 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
70mm 584
EF12 II
300mm 1361
70mm 420
EF25 II
300mm 1254
Manual focusing is recommended for accurate
focusing.
Magnification
Far Near Far
638 0.22× 0.17×
7629 0.32× 0.04×
428 0.40× 0.38×
3890 0.39× 0.09×
ENG-10