14. Extenders (Sold Separately)
Lens specifications when using extender EF1.4⋅ II/EF2⋅ II are as follows.
|
|
| EF300mm f/2.8L IS USM | EF400mm f/2.8L IS USM | ||
|
|
| EF1.4⋅ II | EF2⋅ II | EF1.4⋅ II | EF2⋅ II |
Focal length (mm) |
| 420 | 600 | 560 | 800 | |
Aperture |
| f/4 – 45 | f/5.6 – 64 | f/4 – 45 | f/5.6 – 64 | |
|
| Diagonal | 6° 10’ | 4° 10’ | 4° 25’ | 3° 5’ |
Angle of view |
| Vertical | 3° 20’ | 2° 20’ | 2° 25’ | 1° 40’ |
|
| Horizontal | 5° | 3° 30’ | 3° 40’ | 2° 35’ |
Maximum magnification (⋅) | 0.19 | 0.28 | 0.22 | 0.31 | ||
|
|
| EF500mm f/4L IS USM | EF600mm f/4L IS USM | ||
|
|
| EF1.4⋅ II | EF2⋅ II | EF1.4⋅ II | EF2⋅ II |
Focal length (mm) |
| 700 | 1000 | 840 | 1200 | |
Aperture |
| f/5.6 – 45 | f/8 – 64 | f/5.6 – 45 | f/8 – 64 | |
|
| Diagonal | 3° 30’ | 2° 30’ | 3° | 2° |
Angle of view |
| Vertical | 2° | 1° 20’ | 1° 40’ | 1° 10’ |
|
| Horizontal | 3° | 2° | 2° 30’ | 1° 40’ |
Maximum magnification (⋅) | 0.17 | 0.25 | 0.17 | 0.24 | ||
● Attach the extender to the lens, and then attach the lens to the camera. To remove it, reverse the order. Errors may occur if you attach the extender to the camera first.
●When using the extender EF2⋅ II with the EF500mm f/4L IS USM or EF600mm f/4L IS USM, the focusing mode is MF mode. However, AF shooting is possible only with the center focusing point when the camera is