Canon 17mm F/4L Camera Lens User Manual


 
ENG-6
About the Shift Knob Cap
Shifting will be easier if the supplied shift knob cap is mounted (p.4).
However, for EOS cameras with built-in flash, the cap will come in contact with the camera during
the lens’ mounting/detaching, or during shift/rotation operation. The shift knob cap is recommended
for use with EOS-1, EOS-1D, EOS-1Ds, and EOS 5D series.
The screw (length 2.2mm) originally in the shift knob cannot be used to
keep the shift knob cap in place. Always use the supplied screw.
Remove the shift knob
screw.
Mount the cap by squeezing it into
the shift knob, and then fix it using
the supplied screw.
To remove the cap, remove the
screw and pull out the cap.
Shift knob cap
Mounting screw
(Length 3mm)
Use a watchmaker's screwdriver (Phillips head type) to remove or mount
screws.
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