Question about Panasonic Lumix DMC-TZ3 Digital Camera

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Picture Resolution? Hi, I've been playing with my camera, trying to get the picture resolution above 72 pixels/inch (my mom tells me this is really low), and I can't seem to figure it out. What do all my settings need to be at?

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  • Panasonic Master
  • 4,738 Answers

Picture resolution is the total number of pixels in your picture (those little colored dots when you look really really close). It's expressed in megapixels and is simply the product of the number of pixels in the width of the picture times the number of pixels in the length. For example, a 7.1 MP camera takes images with a resolution of 3072 pixels width by 2304 pixels height ( 7.1MP = 3072 x 2304).

Pixels/inch refers to the resolution of your picture on some external viewing device (printer, computer monitor, etc...). It has nothing to do with the settings on your camera. It's equal to the number of pixels in the picture divided by the width of the displayed picture on the device. For example, an 8 x 10" printed picture has a width of 10 inches. If I wanted to take full advantage of my 7.1 MP picture by printing it as an 8x10, then I should look for a printer capable of printing 707,789 pixels/inch. Now I'm pretty sure there's no printer currently capable of this feat.

The example above shows that the rush for more megapixels is not necessarily where consumers or camera manufacturers should be focusing their attention. Most people really only need something around the 3MP range for printouts or display on their monitor screens.

Posted on Feb 10, 2008

  • CameraR
    CameraR Feb 10, 2008

    OK, guess that was way long winded and didn't really answer your question.



    1. With your camera turned on, and set to picture taking mode, press the center menu button.



    2. Select the "REC" menu (the one with a little camera insignia).



    3. Go to the fourth line "PICT.SIZE", and make sure that 7M is selected (stands for 7 megapixel). If not, change it.



    That should do it.

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Hi - When talking about resolution in digital photography there are two main meanings.
One is the "pixel count resolution" and the other "embedded resolution". So for example your camera could record 2272*1704 as the actual pixel count resolution and set 72 as the embedded resolution that tells other software (for example photoshop) what the intended use of the picture will be. 72 ppi is the default for web pictures. You can change this in photoshop by going to the "Image" tab & select image size. The window that opens will show you the pixel dimensions i.e. pixel count resolution and the document size & resolution 72. You just change it in your software to 300 for printing. In Photoshop you can change the default to 300 by going "edit", "preferences", "units & rulers" and setting the values for "new document preset resolutions".

So for your camera the embedded resolution is 180 which you can only change in your PC software.

This is a complex subject, I recommend looking at the following web page:

http://www.fotofinish.com/resources/centers/photo/resolution.htm

Please take a moment to rate this solution & let us know if the information given was useful to you - Good Luck!

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