Zoom Ring Lock Lever - Canon EF 70-300mm f/4-5.6 IS USM Instruction

5. Fixing the Zoom Ring
The zoom ring can be fixed to keep the lens at the shortest point. This function is convenient for
carrying a camera on a strap because it prevents the lens from extending.
1 Turn the zoom ring to
the widest position
(70mm).
The zoom ring can only be locked at maximum wide angle.
2 Slide the zoom ring
lock lever in the
direction indicated by
the arrow.
¡To release the zoom ring,
slide the zoom ring lock
lever in the direction
opposite to the arrow.
ENG-6