Canon ULTRASONIC EF Lens Instruction - Page 9
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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.
Camera-to-Subject
Distance (mm)
Near
16mm
EF12 ll
35mm
202
16mm
EF25 ll
35mm
195
Manual focusing is recommended for accurate
focusing.
Magnification
Far
Near
Far
Incompatible
248
0.62×
0.36×
Incompatible
211
1.11×
0.80×
ENG-8