Question about Sony Mavica MVC-CD400 Digital Camera

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Messed up CD400 resolution

Okay, my CD400 was taking pics at a 300 resolution but now it takes pics at 72!!!! Why is that. I'm doing a photoshoot on monday and i need to know! Please help me, thanks, molly

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Hi Molly, The 72 ppi figure is merely an arbitrary starting point used by most image editing software. I've known others to use 300 as a default, e.g. Paint Shop Pro last time I looked at it. Why it should have changed I can't tell at this point, unless you've changed your software; but it's not important. The figure is meaningless until you want to *print* your images, and even then it's best to just set print size *without* resampling the image, and let the resolution look after itself until you have a need for very large prints. To see what your camera is capturing, the essential figure you need to be interested in is the images' *pixel dimensions*; and in the case of the CD400 they should be 2272 x 1704 at the camera's full res. setting. (Actually, "resolution" is an unfortunate term, in its popular usage. Resolution really describes how thinly or densely the same pixel count is mapped over the intended physical output size.) Changing the print size *without* resampling the image will cause the resolution figure (72, 300 or whatever else it might be) to change inversely with the print dimensions, but will not change the overall pixel dimensions of 2272 x 1704.

Posted on Sep 13, 2005

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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".

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