Advice needed for saving images to CD

12 years 9 months ago #117477 by jules
I took some family portraits for a friend. I want to save them to a CD so she can have the images printed at whatever printer she chooses. I have done this before and just saved the edited images as jpegs and then burned them to a CD.
However, I know one image in particular she wants to make a rather large print...and of course it is an image I have cropped in quite a bit. I have photoshop cs4, isn't there a way to increase the image size? Does that result in a huge loss of quality? How should I save these images for her to get the best image quality...and how will she (or the printer) know what is the max print size for each image?


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12 years 9 months ago - 12 years 9 months ago #117478 by Henry Peach
It would probably be best if you sent her to a good lab. They will know how to get the best out of the file, and how large it can go.

The lab I use, Mpix.com, advises that customers let them do the up-sizing. I used to do it myself, before sending them the file, but have been letting them do it for the last several years. They seem to do a great job.

If I do have to increase image size I use the image size function in Adobe Photoshop set to bicubic smoother. Many years ago I was advised to enlarge in 10% increments, but my own testing has convinced me I can't see a difference between multi-step enlarging and doing it in one step.
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12 years 9 months ago #117496 by Eddie
Yes you can resize the image in Photoshop.

First the image needs to be in the correct aspect ratio.

Most digital SLRs make images in the 3:2 aspect ratio.
8 x 10's have a 5:4 aspect ratio so an image cropped to 3:2 won't work as an 8 x 10 but will as an 8 x 12.

Pixel dimension and resolution determine how big a image can be printed

If an image is 3000 pixels by 2000 pixels (3:2 aspect ratio) and it has a resolution of 300 ppi (pixels per inch) it can be printed 10 inches wide (3000/300 = 10) and 6.67 inches high (2000/300 = 6.67)

That same 3000 pixel x 2000 pixel image printed at a resolution of 100 ppi can be printed 30 inches wide (3000/100 = 30) and 20 inches high (2000/100 = 20).


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12 years 9 months ago - 12 years 9 months ago #117508 by Beers
At what resolution (ppi) do you start to lose image quality?


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12 years 9 months ago #117510 by Eddie

Beers wrote: At what resolution (ppi) do you start to lose image quality?


It varies by image.
Mpix will not accept prints made from image files at a resolution of less than 100 ppi.

So, that would be the minimum I would recommend.


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12 years 9 months ago #117512 by Baydream
Perfect Resize 7 (formally Genuine Fractals) is an option. It has a 30-day free trial and can be used standalone or as a PS, Lightroom or Aperture plug-in. Not very expensive and has been around a long time.
www.ononesoftware.com/products/suite/perfect-resize/?ind

Shoot, learn and share. It will make you a better photographer.
fineartamerica.com/profiles/john-g-schickler.html?tab=artwork

Photo Comments
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12 years 9 months ago #117555 by jules

Baydream wrote: Perfect Resize 7 (formally Genuine Fractals) is an option. It has a 30-day free trial and can be used standalone or as a PS, Lightroom or Aperture plug-in. Not very expensive and has been around a long time.
www.ononesoftware.com/products/suite/perfect-resize/?ind


Thanks, but if I can resize in photoshop (which I have) why would I download another program?


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12 years 9 months ago #117558 by Baydream

jules wrote:

Baydream wrote: Perfect Resize 7 (formally Genuine Fractals) is an option. It has a 30-day free trial and can be used standalone or as a PS, Lightroom or Aperture plug-in. Not very expensive and has been around a long time.
www.ononesoftware.com/products/suite/perfect-resize/?ind


Thanks, but if I can resize in photoshop (which I have) why would I download another program?

Try the free trial and compare the results. PS does "everything" and this is a specialty program with one purpose. Specialty programs are like primes as generalized ones are like zooms. A bit better for a single purpose.

Shoot, learn and share. It will make you a better photographer.
fineartamerica.com/profiles/john-g-schickler.html?tab=artwork

Photo Comments
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12 years 9 months ago #117564 by jules

Baydream wrote:

jules wrote:

Baydream wrote: Perfect Resize 7 (formally Genuine Fractals) is an option. It has a 30-day free trial and can be used standalone or as a PS, Lightroom or Aperture plug-in. Not very expensive and has been around a long time.
www.ononesoftware.com/products/suite/perfect-resize/?ind


Thanks, but if I can resize in photoshop (which I have) why would I download another program?

Try the free trial and compare the results. PS does "everything" and this is a specialty program with one purpose. Specialty programs are like primes as generalized ones are like zooms. A bit better for a single purpose.


Thanks. Well it is free, so it doesn't hurt to try it. :)


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12 years 9 months ago #117583 by Henry Peach
Here is a series of articles testing several popular file enlarging programs. It is a couple of years old, so not the latest software versions. I just found it interesting that he found different programs did a better job on different photos.

theonlinephotographer.typepad.com/the_on.../its-bigger-but.html
theonlinephotographer.typepad.com/the_on.../its-bigger-but.html
theonlinephotographer.typepad.com/the_on...its-bigger-bu-1.html
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12 years 9 months ago #117610 by John Landolfi
:goodpost: :thumbsup: :agree: I have been using Perfect Resize, formerly Genuine Fractals for several years, updating as they offer new versions, and it is excellent. It will upsize significantly without losing quality, or changing resolution ( most publications require files at 300dpi). As a plugin, it is very convenient and efficient.


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