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DPChallenge Forums >> Hardware and Software >> Raw conversion question...
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06/19/2005 07:33:03 PM · #1
I'm still new to some of the raw conversion stuff (and photoshop), so please forgive me if I'm overlooking something here or just plain stupid. I notice that when I convert a raw image to jpeg, the actual dimensions go down to 10.11 inches by 6.674 inches (3504 pixels by 2336 pixels). This is at the default output of 350 dpi with no resizing. Yet when I shoot jpeg the pixel dimensions are the same (3504x2336), but actual metric dimensions are almost 5 times bigger. I realize that jpegs are only 72 dpi out of camera, but how do I get the full-size out of the raw conversion? Any help would be greatly appreciated. Thanks.

I'm using Canon Digital Photo Professional 1.5 to convert and PS CS after conversion.
06/19/2005 07:50:21 PM · #2
You need to resize the image. Try Image, image size,
Change the pixel per inch and change the document size.

Good luck. You have to kind of guess - I only do that as a last step when saving for web. Otherwise, all my images are at least 300DPI for printing.

d
06/19/2005 07:51:40 PM · #3
The dpi is irrelevant unless you are printing. physically, your pictures are 3504x2336, period. DPI only comes into play when you want to print them. The number of pixels you print per inch of paper will dictate the maximum size of your photo. General convention seems to dictate no less than 250 pixels per inch for a good quality print, which would translate into a photo about 14 inches (3504/250) x 9.3 inches (2335/250). It doesn't matter on the computer whether your software opens the photo at 72 or 200 or any other resolution.

Hope this helps.
06/19/2005 07:51:41 PM · #4
You only need metric dimensions for printing, but just change to 72dpi in "Image Size" and uncheck the "Resample" box if you want it the same as a jpeg.
06/19/2005 07:57:15 PM · #5
Originally posted by Konador:

You only need metric dimensions for printing, but just change to 72dpi in "Image Size" and uncheck the "Resample" box if you want it the same as a jpeg.


Wow. Thanks! I've been trying to figure that out for months. My math is just not quite good enough to do it in my head. duh.

d
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