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ENG-14
14. Extenders (Sold Separately)
Lens specifications when using extender EF1.4× II/EF2× II are as follows.
● 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 extender EF1.4× II, the focusing mode is MF mode. However, AF shooting is
possible only with the center focusing point when the camera is EOS-1Ds Mark III, EOS-1Ds
Mark II, EOS-1Ds, EOS-1D Mark III, EOS-1D Mark II N, EOS-1D Mark II, EOS-1D, EOS-
1V/HS, or EOS-3.
● When using extender EF2× II, the focusing mode is MF mode.
● Extenders cannot be used more than one at a time.
● Use –1/2 step exposure compensation for EF1.4× II, and –1 step exposure compensation for
EF2× II when shooting with EOS A2/A2E/5.
Item With EF1.4× II Extender With EF2× II Extender
Focal length (mm) 140 – 560 200 – 800
Aperture 1/3 steps 100mm f/6.3 – 45 f/9 – 64
400mm f/8 – 57 f/11 – 81
1/2 steps 100mm f/6.7 – 45 f/9.5 – 64
400mm f/8 – 54 f/11 – 76
Angle of view
Diagonal 17° 35’ – 4° 25’ 12° – 3° 5’
Vertical 9° 50’ – 2° 25’ 7° – 1° 40’
Horizontal 14° 40’ – 3° 40’ 10° – 2° 35’
Maximum magnification (×) 0.28 0.41
02-7521_ENG 10.2.13 9:35 AM Page 14
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