Specifications

ENG-17
14. Extenders (sold separately)
The tables below show the specifications for each lens when it is used with an EF1.4× II or
EF2× II extender.
Focal length (mm)
Aperture
Diagonal
Angle of view Vertical
Horizontal
Max. magnification (×)
EF300mm f/2.8L IS USM
EF1.4× II EF2× II
420 600
f/4 – 45 f/5.6 – 64
6° 10’ 4° 10’
3° 20’ 2° 20’
5° 3°30’
0.19 0.28
EF400mm f/2.8L IS USM
EF1.4× II EF2× II
560 800
f/4 – 45 f/5.6 – 64
4° 25’ 3° 5’
2° 25’ 1° 40’
3° 40’ 2° 35’
0.22 0.31
Focal length (mm)
Aperture
Diagonal
Angle of view Vertical
Horizontal
Max. magnification (×)
EF500mm f/4L IS USM
EF1.4× II EF2× II
700 1000
f/5.6 – 45 f/8 – 64
3° 30’ 2° 30’
2° 1° 20’
3° 2°
0.17 0.25
EF600mm f/4L IS USM
EF1.4× II EF2× II
840 1200
f/5.6 – 45 f/8 – 64
3° 2°
1° 40’ 1° 10’
2° 30’ 1° 40’
0.17 0.24