Cop y, Extenders – Canon EF 800mm f5.6L IS USM User Manual

Page 14

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ENG-13

11. Extenders

(Sold separately)

• With Extender EF1.4X II attached to the lens, only manual focus is possible. However, with

the EOS-1Ds Mark III, EOS-1Ds Mark ll, EOS-1Ds, EOS-1D Mark lll, EOS-1D Mark ll N,
EOS-1D Mark ll, EOS-1D, EOS-1V/HS, EOS-3 camera, autofocusing with the center focusing
point is possible.

• With Extender EF2X II attached to the lens, only manual focus is possible.
• First attach the Extender to the lens, then attach the lens to the camera. Detach it from the

camera in the reverse order. If you attach the lens to the camera first, misoperation may
occur.

• Only one Extender can be attached to the lens and camera.
• If you use an Extender on the lens mounted on a EOS A2/A2E/5, set the exposure

compensation to -1/2 stop for the EF1.4X II or -1 stop for the EF2X II.

With Extender EF1.4X ll or EF2X ll attached, the lens specifications will change as follows:

When an Extender is attached, the AF speed will become slower by design to retain proper AF
control.

Item

With EF1.4X ll Extender

With EF2X ll Extender

Focal length (mm)

1120

1600

Aperture

f/8 – 45

f/11 – 64

Diagonal

2°10’

1°30’

Angle of view

Vertical

1°10’

50’

Horizontal

1°50’

1°20’

Maximum magnification (

×)

0.2

0.28

COP

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