Canon Speedlite 550EX Instructions Manual page 13

3. Attaching the Speed lite to the Camera
-
1
Loosen the locking collar by turning
it
as shown by the arrow.
2
Slip the Speedlite's mounting foot
into the camera's hoi shoe until il
slops.
3
Turn the locking collar as shown by
the arrow and tighten. (The mounting
foot's locking pin will extend into the
hot shoe.)
To detach the Speedlite. turn the locking
collar ,n the opposite direction until it slops.
(The locking pin retracts into the mounting
loot.)
I§l Although the hot shoe on the EOS 650. EOS 620.
eos
750, and EOS 850 does not have
l.jJ a
locking
pin hole. Speedlite 550EX can still be mounted on these cameras,
13