Canon EF500mm f/4L IS II USM Руководство по эксплуатации - Страница 20
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16. Extenders (Sold Separately)
Lens specifications when using extender EF1.4× II/III or EF2× II/III are as follows.
Focal length (mm)
Aperture
Diagonal
Vertical
Angle of view
Horizontal
Maximum magnification (×)
Attach the extender to the lens, and then attach the lens to the camera. To remove it, reverse the order.
O
O
Errors may occur if you attach the extender to the camera first.
With Extender EF2× II/III attached to the lens, only manual focus is possible. However, with the EOS-1Ds
O
O
Mark III, EOS-1Ds Mark II, EOS-1Ds, EOS-1D Mark IV, EOS-1D Mark III, EOS-1D Mark II N, EOS-1D Mark
II, EOS-1D, EOS-1V/HS camera, autofocusing with the center focusing point is possible.
When shooting with EOS A2/A2E/5 fitted with either the EF500mm f/4L IS II USM or EF600mm f/4L IS II
O
O
USM, use –0.5 step exposure compensation when using extender EF1.4× II, and use –1 step exposure
when using extender EF2× II.
Extenders cannot be used more than one at a time.
O
O
Autofocusing is still enabled with extender EF1.4× II/III attached.
O
O
When an extender is attached, the AF speed will become slower to retain proper control.
O
O
EF500mm f/4L IS II USM
EF1.4× II/III
EF2× II/III
700
1000
f/5.6 – 45
f/8 – 64
3° 30'
2° 30'
2°
1° 20'
3°
2°
0.21
0.31
EF600mm f/4L IS II USM
EF1.4× II/III
EF2× II/III
840
1200
f/5.6 – 45
f/8 – 64
3°
2°
1° 40'
1° 10'
2° 30'
1° 40'
0.21
0.30
ENG-19