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Cop y, Extension tubes (sold separately) – Canon EF 400mm f2.8L IS II USM User Manual

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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.

EF300mm f/2.8L IS II USM

EF400mm f/2.8L 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

1700

7529

0.22

0.04

EF25 II

1480

3727

0.28

0.09

Focusing Distance Range (mm)

Magnification (×)

Close distance Long distance Close distance Long distance

EF12 II

2375

13353

0.21

0.03

EF25 II

2113

6494

0.26

0.07

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