Extension Tubes - Canon Ultrasonic EF24-70mm f/2.8L II USM Instructions Manual

7. 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 (82 mm).
To adjust the polarizing filter, first remove the
● ●
lens hood.

8. 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.
Focusing Distance Range (mm)
Close distance Long distance Close distance Long distance
24mm 178
EF12 II
70mm 259
24mm
EF25 II
70mm 229
MF mode is recommended for accurate focusing.
Magnification (×)
190 0.63 0.50
523 0.45 0.18
Incompatible
331 0.74 0.41
ENG-10