Canon EF 400mm f/2.8L IS USM Manuel D’Utilisation (en)

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When shooting with EOS A2/A2E/5 fitted with
either the EF300mm f/2.8L IS USM or
EF400mm f/2.8L IS USM, use –0.5 step
exposure compensation when using extender
EF1.4
× II, and use –1 step exposure when using
extender EF2
× II.
When taking pictures on an EOS A2/A2E/5
using an EF1.4
× II/EF2× II extender with the
EF500mm f/4L IS USM or the EF600mm f/4L IS
USM, use the values in the table below for
exposure compensation.
Extenders cannot be used more than one at a
time.
Extenders (Sold Separately)
15. 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.
Focusing Distance Range (mm)
Magnification (
×)
Close distance Long distance Close distance Long distance
EF300mm f/2.8L IS USM
EF12 II
2016
7561
0.18
0.04
EF25 II
1687
3731
0.24
0.09
EF400mm f/2.8L IS USM
EF12 II
2602
13633
0.19
0.03
EF25 II
2314
6974
0.23
0.06
EF500mm f/4L IS USM
EF12 II
3856
21193
0.15
0.03
EF25 II
3391
10778
0.18
0.05
EF600mm f/4L IS USM
EF12 II
4777
29195
0.14
0.02
EF25 II
4182
13944
0.17
0.05
AF is possible with extender EF1.4
× II.
When an extender is attached, the AF speed will
become slower to retain proper control.
EF1.4
× II
EF2
× II
Evaluative metering
–0.5 step
–1 step
Center-weighted average metering
–0.5 step
–1 step
Spot metering
–0.5 step
MF mode is recommended for accurate focusing.
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