Canon EF 24-105mm f4L IS USM - Manual (Page 11)

ENG-10
8. 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 (77mm).
¡ 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
Magnification
Distance (mm)
Near Far Near Far
EF12 II
24mm 177 187 0.60
Ч
0.50
Ч
105mm 326 1022 0.40
Ч
0.12
Ч
EF25 II
24mm Incompatible
105mm 280 574 0.61
Ч
0.27
Ч
Manual focusing is recommended for accurate
focusing. COP
Y