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Re: How do I increase the dpi setting on my Olympus...
Unfortunately most of the Olympus cameras shoot at 72 dpi by default - a suggestion is to shoot at the highest quality setting and then use Adobe Photoshop to modify to 200 dpi if that's what you need.
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Pictures on a digital storage don't have any DPI. You get DPI when feeding the pictures into an output device, that is, you can put a ruler on it and measure it. Unfortunately JPG does have DPI tags. I don't know, what these tags try to tell us. With tag editors any value can be put into these tags without any visible effect. Non-displayed pictures are measured in Pixels (width x height).
increase in dpi will not increase the resolution.
dpi = dots per inch
for example you have a res of 1024x768
at 72dpi you get a printed image of 14.2x10.6 inch
at 300dpi you get a printed image of 3.4x2.5 inch
only thing possible is to interpolate the image. but thats **** in my opinion.
It sounds like you are attempting to increase the size of the image. You can do this, but you will always lose resolution. 72 DPI is 72 DPI. It cannot be increased to 300 DPI. Think of it like this:
You have 72 pieces of candy that fit in a small box made to hold 72 pieces of candy, and it looks like you have lots of candy.
Now, you get a big box that can hold 300 pieces of candy and put the same 72 pieces of candy in it. It no longer will look like you have a lot of candy.
Image resolution works the same way. The only way to get the text to be clearer is to scan another copy of it at 300DPI and then do what you need to with it.
Hope this helps!
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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:
Sounds like Photoshop's setting, or default setting, is to import picture at its maximum size. If you RESIZE pic on Photoshop, it shoud automatically increase DPI while reducing physical size.
The other thing to be aware, TZ3 defaults to a certain jpg compression. You can minimize compression of data with settings options on TZ3, but I doubt this has anything to do with your PhotoShop issue.
Also, in SIMPLE mode you can select a physical size for photo, even after pic is taken(resize), on camera.