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

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ENG-11
12. Extenders (Sold separately)
With Extender EF1.4X ll or EF2X ll attached, the lens specifications will change as follows:
EF135mm f/2L USM
Focal length
Aperture
Angle of view
Maximum magnification (
×)
(mm)
Diagonal
Vertical
Horizontal
EF1.4X II
189
f/2.8-45
13° 35'
7° 25'
11° 5'
0.27
EF2X II
270
f/4-64
9° 15'
5° 10'
7° 40'
0.38
EF200mm f/2.8L II USM
Focal length
Aperture
Angle of view
Maximum magnification (
×)
(mm)
Diagonal
Vertical
Horizontal
EF1.4X II
280
f/4-45
9° 20'
5° 10'
7° 40'
0.22
EF2X II
400
f/5.6-64
8° 50'
4° 55'
7° 20'
0.32
EF300mm f/4L USM
Focal length
Aperture
Angle of view
Maximum magnification (
×)
(mm)
Diagonal
Vertical
Horizontal
EF1.4X II
420
f/5.6-45
6° 10'
3° 20'
5°
0.18
EF2X II
600
f/8-64
4° 10'
2° 20'
3° 30'
0.26
EF400mm f/5.6L USM
Focal length
Aperture
Angle of view
Maximum magnification (
×)
(mm)
Diagonal
Vertical
Horizontal
EF1.4X II
560
f/8-45
4° 25'
2° 25'
3° 40'
0.18
EF2X II
800
f/11-64
3° 5'
1° 40'
2° 35'
0.25