16. Extenders (Sold Separately)
Lens specifications when using extender EF1.4× II/III or EF2× II/III are as follows.
|
| EF300mm f/2.8L IS II USM | EF400mm f/2.8L IS II USM | ||
|
| EF1.4× II/III | EF2× II/III | EF1.4× II/III | EF2× II/III |
Focal length (mm) |
| 420 | 600 | 560 | 800 |
Aperture |
| f/4 – 45 | f/5.6 – 64 | f/4 – 45 | f/5.6 – 64 |
| Diagonal | 5° 55’ | 4° 10’ | 4° 25’ | 3° 5’ |
Angle of view | Vertical | 3° 15’ | 2° 20’ | 2° 25’ | 1° 40’ |
| Horizontal | 4° 55’ | 3° 30’ | 3° 40’ | 2° 35’ |
Maximum magnification (×) | 0.25 | 0.36 | 0.25 | 0.35 | |
OO 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.
OOWhen shooting with EOS A2/A2E/5 fitted with either the EF300mm f/2.8L IS II USM or EF400mm f/2.8L IS II USM, use
when using extender EF2× II.
OOExtenders cannot be used more than one at a time.
OO AF is possible with extender EF1.4× II/III or EF2× II/III.
OOWhen an extender is attached, the AF speed will become slower to retain proper control.