12. Case
Slot
Lid
Hinge
Strap
Lever
Keyhole
The illustration shows the EF500mm f/4L IS II USM.
Put the lens away as follows.
Reverse the lens hood, slip it over the lens, and attach the lens cap.
Position the tripod mount towards you as shown and place it in the case.
Place so that the hood’s lock knob rests in the slot near you.
Fold the strap and fit it into the space near the case hinges.
Fasten the lens securely with the strap.
Close the lid, and then push the lever while holding the lid from above to lock.
OO Do not sit on top of the lens case.
OOPlace the lens in the position intended for it.