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Old 01-13-2010, 02:41 AM
DigUpHerBones07's Avatar
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Default Help with DOF

I set my camera to the smallest aperture (biggest number right?) and I still didn't get a super blurry background. It's an old Sony F828 advanced point and shoot. If anyone knows how to trick the camera into a better DOF, I would really appreciate a few tips. This is the photo I am talking about.
twelve

It occured to me as I was writing this, that I could probably use the Macro setting, but I don't know if that would be much different?

Thanks for looking!

ETA: OK, maybe I was wrong, I thought it was at the biggest number, guess I was wrong.
Here's EXIF
Camera: Sony DSC-F828
Exposure: 0.077 sec (1/13)
Aperture: f/2.2
Focal Length: 12.5 mm
ISO Speed: 200
Exposure Bias: -0.7 EV
Flash: Off, Did not fire
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Last edited by DigUpHerBones07; 01-13-2010 at 02:58 AM.
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Old 01-13-2010, 02:49 AM
inkista's Avatar
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Actually, a small aperture/large f-number leads to a deeper depth of field, not a shallower one. You want to go the other way 'round: use a wider aperture with a smaller f-number.

How much you blur the background depends on a bunch of factors, not just the aperture. But you'll get more background blurring with:
  • wider aperture (smaller f-number)
  • longer focal length (zooming in vs. zooming out)
  • more separation between your subject and the background
  • being closer to your subject
The last one is why macro shots always have blurred backgrounds.

You actually have one of the better P&S cameras to get background blur. You have a 2/3" sensor, and a lens that's capable of f/2.
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Last edited by inkista; 01-13-2010 at 02:54 AM.
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Old 01-13-2010, 02:57 AM
DigUpHerBones07's Avatar
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Thank you so much for your response! I just started playing with this camera (it's my husband's) and I'm only starting to figure all of the manual modes out. I just looked in the manual and realized my bigger/smaller mistake. I think I'm slowly starting to catch on. I will definitely be trying all of those ideas to try to understand this all a bit better. Thanks for your help!
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