14.Extenders (Sold Separately)

Lens specifications when using extender EF1.4II/EF2II are as follows.

Item

 

 

 

With EF1.4II Extender

With EF2II 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

 

 

 

 

 

 

 

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 EF1.4II, 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 EF2II, the focusing mode is MF mode.

Extenders cannot be used more than one at a time.

Use –1/2 step exposure compensation for EF1.4II, and –1 step exposure compensation for EF2II when shooting with EOS A2/A2E/5.

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