"Dave Martindale" <> wrote in message
news:c9i8jk$36q$...
> "mike" <> writes:
>
> >I purchased a few days ago a Canon Ixus 500 (Powershot 500). It makes a
> >strange noise, during the interval between pressing the shutter button
and
> >the moment when the picture is taken. The AF lamp is ON during that
interval
> >and I suppose the noise is related to camera adjusting the focus, etc.
> >However, the noise is strange, more like a chatter than like the 'clean'
> >sound of a micro-motor. Is that normal, perhaps those with Ixus 500
> >experience can tell? I did not hear a similar sound in few other types of
> >cameras I have tried.
>
> The noise is normal. The camera captures many separate images in the
> process of autofocusing, and I suspect the sound is the focus motor
> starting and stopping many times between focus positions. If you set
> the "quick shot" menu feature on, the chattering will be higher pitched
> and take less total time, since the LCD display is not being updated
> during the focus process.
>
> The Canon A200 made this sort of noise during focusing too.
>
> >This is my first digital camera and I am a bit disappointed with the
shutter
> >delay. Taking a picture of a child is often a miss, and I wonder if the
> >shutter delay is longer than it should be and the noise described above
is a
> >symptom.
>
> Are you talking about focus delay (from half-pressing the shutter button
> to green rectangle in the finder) or shutter release delay (time to
> release the shutter after getting correct focus)? Focus delay can be
> sped up by the quick shot mode. Shutter delay actually seems pretty
> fast to me for a P&S camera.
>
> To take pictures of children, you'll need to preset focus and exposure.
> You can just hold your shutter finger half-pressed and wait for the
> right moment, or you can use the camera's autofocus lock and
> autoexposure lock modes.
>
> Dave
I was talking about focus delay. Indeed, it is not that bad in the quick
fast mode. One more question: is it the same kind of noise in Canon
Powershot S50, and similar focus delay? I assume Powershot S50 and Ixus 500
are based on same electronics platform, but perhaps mechanics is better?
Thanks,
M
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