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ENG-10
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
70mm 584 638 0.22× 0.17×
300mm 1361 7629 0.32× 0.04×
EF25 II
70mm 420 428 0.40× 0.38×
300mm 1254 3890 0.39× 0.09×
Manual focusing is recommended for accurate
focusing.
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.
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