ENG-20
17. 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.
EF500mm f/4L IS II USM
EF600mm f/4L IS II USM
MF mode is recommended for accurate focusing.
Focusing Distance Range (mm)
Magnification (×)
Close distance Long distance Close distance Long distance
EF12 II
3265
20570
0.18
0.03
EF25 II
2904
9917
0.22
0.06
Focusing Distance Range (mm)
Magnification (×)
Close distance Long distance Close distance Long distance
EF12 II
4028
29191
0.17
0.02
EF25 II
3619
13941
0.20
0.05
COP
Y