Canon EF28 Instruction page 12

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.
EF12 II
EF25 II
MF mode is recommended for accurate focusing.
10. Close-up Lenses (Sold Separately)
Attaching a close-up lens 500D (72mm) enables close-up photography. Magnification is from 0.31 to 0.06 times.
• Close-up Lens 250D cannot be attached because there is no size that fits the lens.
• MF mode is recommended for accurate focusing.
Focusing Distance Range (mm)
Close distance
28mm 180
135mm 336
28mm 169
135mm 280
Long distance Close distance
196
1624
174
876
Magnification (×)
Long distance
0.53 0.42
0.37 0.09
1.09 0.94
0.58 0.21
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