Canon EF 28-300mm f3.5-5.6L IS USM - Manual (Page 14)

ENG-13
13. 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
28mm 265 277 0.50
Ч
0.43
Ч
300mm 604 7594 0.39
Ч
0.04
Ч
EF25 II
28mm Incompatible
300mm 541 3730 0.50
Ч
0.09
Ч
Manual focusing is recommended for accurate
focusing. COP
Y