Remove the caps, Attach the lens, On the lens, set the focus mode – Canon EOS-1D Mark IV User Manual
Page 39: Switch to < af> (autofocus), Remove the front lens cap, Attaching and detaching a lens
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Attaching and Detaching a Lens
Attaching a Lens
Remove the caps.
• Remove the rear lens cap and the
body cap by turning them as shown
by the arrow.
Attach the lens.
• Align the red dots on the lens and
camera and turn the lens as shown
by the arrow until it clicks in place.
On the lens, set the focus mode
switch to < AF> (autofocus).
• If it is set to
<MF>
(manual focus),
autofocus will not operate.
Remove the front lens cap.
Detaching the Lens
While pressing the lens release
button, turn the lens as shown by
the arrow.
• Turn the lens until it stops, then
detach it.
• Attach the rear lens cap to the
detached lens.
• Do not look at the sun directly through any lens. Doing so may cause
loss of vision.
• The camera cannot be used with EF-S lenses.
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