Canon Powershot A40 User Manual page 155

Conversion Lens Adapter LA-DC52B (52 mm)
This optional adapter is required for attaching the wide
converter, tele-converter and close-up lens (all optional).
Attaching a Lens
1
Be sure that the camera is turned off.
2
Press the ring release button and hold it
down, and turn the ring in the direction of
the arrow.
3
When the ¡ marks on the ring and the
camera are aligned, lift off the ring.
2
1
Ring
Ring Release Button
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