Canon PowerShot A640 Digital Camera User Manual


 
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The camera supports use of the separately sold Wide Converter
WC-DC58N and Tele-converter TC-DC58N. In order to attach
these lenses, you also need to use the separately sold Conversion
Lens Adapter LA-DC58F.
Wide Converter WC-DC58N
Use this converter for taking wide-angle shots. The wide converter
changes the focal length of the camera body’s lens by a factor of
0.7x (the thread diameter is 58 mm).
Tele-converter TC-DC58N
This lens is used for taking telephoto shots. The lens changes the
focal length of the camera body’s lens by a factor of 1.75x (the
thread diameter is 58 mm).
.
Using the Lenses (Sold Separately)
zWhen attaching the wide converter or tele-converter be sure
to screw it on securely. If they come loose, they may fall from
the lens adapter, posing risk of injury from shattered glass.
zNever look into the sun or into strong light through the lens,
wide converter or tele-converter as this can result in
blindness or impairment of vision.
zIf you use the flash when shooting with these attachments,
the outer area of the recorded image (especially lower right
corner) will come out relatively dark.
zWhen using the tele-converter, please set the focal length
to the telephoto end. At other zoom settings, the image will
appear as if its corners have been cut off.
zWhen using the wide converter, please set the camera to
the wide angle end.
z
If you use the viewfinder for shooting, a portion of the view will
be blocked by these attachments. Please use the LCD monitor.
It is not possible to attach a lens hood or filter to the wide
converter or tele-converter.