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Camera Experts- Auto ISO Issue?

Hi ladies!  I hope you can help me.  I recently bought a Canon PowerShot SD780is.  It gets pretty good reviews and I love that it's tiny and has the HD video recording.  However, I've always had Sony Cyber-Shots and loved them so I was somewhat reluctant to switch to Canon.

I recently started using my Canon and I don't think I'm thrilled with it all the time.  When I import my pictures to Picasa, the colors often appear washed out, the flash seems to be a little too bright.  Also, I'm curious about Auto ISO.  I don't know much about it, but I've been doing a little reading so I get the basics.  The thing is, a lot of reviews say the Canon is "useless" (grainy/noisy) past 400 or 600 ISO- Picasa shows that in Auto Mode, most of my pictures are taken at about 640-800 ISO!  I'm wondering why they'd all be so high, even when there is good lighting.  The pictures aren't as sharp/crisp as I'd like and there's definitely some "noise" when I zoom in.

I've heard such great things about Canon and I really like the camera overall, but I can't sacrifice color and picture sharpness.  I haven't printed any pictures, so I don't know for sure, but I have to figure out if I want to return the camera within the next 2 weeks. 

Shouldn't this camera be awesome?  What's the deal with Automatic ISO?

Re: Camera Experts- Auto ISO Issue?

  • your ISO may be trying to compensate for an aperture that's not wide open enough. what are you calling 'good lighting'? i've noticed that in my house (and others) i can't get anything worthwhile unless i've got my f/1.8 lens wide open and i'm using a high-ish ISO.

    i'm not a canon girl, so i can't tell you if this will work...on my nikon there is an auto ISO setting that let's you select a maximum ISO.

    for instance, if i set my max ISO at 400, keep my aperture the same, my shutter speed may slow down to compensate.

    does that make any sense? 

     

  • I have the A700, so I am not sure if it is the same, but I have the choice between Auto and High Auto when it is on automatic mode.  Are you sure it is on Auto ISO and not High Auto? 
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