Canon EF 400mm f/5.6L Owner's Manual

ENG-10

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

691

1661

0.29

×

0.09

×

EF25 II

579

883

0.41

×

0.20

×

Manual focusing is recommended for accurate focusing.

Camera-to-Subject

Magnification

Distance (mm)

Near

Far

Near

Far

EF12 II

1986

7786

0.18

×

0.04

×

EF25 II

1661

3925

0.24

×

0.09

×

Camera-to-Subject

Magnification

Distance (mm)

Near

Far

Near

Far

EF12 II

1169

3284

0.23

×

0.06

×

EF25 II

977

1801

0.32

×

0.14

×

Camera-to-Subject

Magnification

Distance (mm)

Near

Far

Near

Far

EF12 II

2893

13449

0.16

×

0.03

×

EF25 II

2460

6610

0.21

×

0.07

×