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Next: Printing captions?
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External
Since: Nov 16, 2006
Posts: 8
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(Msg. 1) Posted: Thu Nov 16, 2006 8:56 am
Post subject: Resolution, dpi, & pixelation for printing.
Archived from groups: rec>photo>digital (more info?)
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Hi all. I just sent out a bunch of pictures to get processed. They were
taken with my new Canon A640 (10MP). I re-sampled the pix using Corel
Photopaint to 1024 x 768 to print 4" x 6" prints, because 10MP are too
big to upload. I believe that is the correct resolution to use,
however, a lot of the pictures are pixelated. So now, I'm trying to
debug what I did wrong. I previously had a Canon Powershot S300 (2MP)
and never had these problems. I camera takes pix at 72dpi and the
re-sampled pix have 72dpi too, so I doubt it could be that. Did I
decrease the resolution too much? Should I make it 1200x1600? When I
print the images at home (from orignial not-resampled images) I have no
problem, but the re-sampled images I uploaded are no good. I will try
various combos of re-sampling to experiment, but I'd like to have an
idea of what I'm shooting for.
Thanks... |
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External
Since: Nov 16, 2006
Posts: 8
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(Msg. 2) Posted: Thu Nov 16, 2006 8:56 am
Post subject: Resolution, dpi, & pixelation for printing.
Archived from groups: per prev. post (more info?)
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Hi all. I just sent out a bunch of pictures to get processed. They were
taken with my new Canon A640 (10MP). I re-sampled the pix using Corel
Photopaint to 1024 x 768 to print 4" x 6" prints, because 10MP are too
big to upload. I believe that is the correct resolution to use,
however, a lot of the pictures are pixelated. So now, I'm trying to
debug what I did wrong. I previously had a Canon Powershot S300 (2MP)
and never had these problems. I camera takes pix at 72dpi and the
re-sampled pix have 72dpi too, so I doubt it could be that. Did I
decrease the resolution too much? Should I make it 1200x1600? When I
print the images at home (from orignial not-resampled images) I have no
problem, but the re-sampled images I uploaded are no good. I will try
various combos of re-sampling to experiment, but I'd like to have an
idea of what I'm shooting for.
Thanks... |
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External
Since: Nov 10, 2006
Posts: 6
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(Msg. 3) Posted: Thu Nov 16, 2006 9:51 am
Post subject: Re: Resolution, dpi, & pixelation for printing. [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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hi ben, try downloading yor pics from the cam at 300dpi, and then
resize to 1800 x 1200px, that would give you an imagesize of 4x6, i
found a great utility for this type of calculation
http://auctionrepair.com/pixels.html
i hoped this helps
Ben Bowen wrote:
> Hi all. I just sent out a bunch of pictures to get processed. They were
> taken with my new Canon A640 (10MP). I re-sampled the pix using Corel
> Photopaint to 1024 x 768 to print 4" x 6" prints, because 10MP are too
> big to upload. I believe that is the correct resolution to use,
> however, a lot of the pictures are pixelated. So now, I'm trying to
> debug what I did wrong. I previously had a Canon Powershot S300 (2MP)
> and never had these problems. I camera takes pix at 72dpi and the
> re-sampled pix have 72dpi too, so I doubt it could be that. Did I
> decrease the resolution too much? Should I make it 1200x1600? When I
> print the images at home (from orignial not-resampled images) I have no
> problem, but the re-sampled images I uploaded are no good. I will try
> various combos of re-sampling to experiment, but I'd like to have an
> idea of what I'm shooting for.
>
> Thanks... >> Stay informed about: Resolution, dpi, & pixelation for printing. |
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External
Since: Nov 16, 2006
Posts: 8
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(Msg. 4) Posted: Thu Nov 16, 2006 11:30 am
Post subject: Re: Resolution, dpi, & pixelation for printing. [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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> If you're resizing only because 10 megs is too big, you might
> try leaving the size alone, and reducing file size by slightly
> increasing the jpeg compression. I suspect you'd like this
> better.
I hadn't considered that. I will give it a shot. Corel allows to adjust
"Compression" and "Smoothing". Are there big differences between the
two that should be known, vis-a-vis file size vs quality? >> Stay informed about: Resolution, dpi, & pixelation for printing. |
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External
Since: Aug 25, 2005
Posts: 1482
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(Msg. 5) Posted: Thu Nov 16, 2006 1:21 pm
Post subject: Re: Resolution, dpi, & pixelation for printing. [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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www.thephotoboard.com wrote:
> hi ben, try downloading yor pics from the cam at 300dpi, and then
> resize to 1800 x 1200px, that would give you an imagesize of 4x6, i
> found a great utility for this type of calculation
>
> http://auctionrepair.com/pixels.html
You don't choose a download dpi, nor even ppi, from the camera. They
will download at however many pixels the camera is set to when the image
is captured. It's often recommended to capture at the highest resolution
your camera will allow; you can always downsize.
And, yes, a 4 x 6 sent to the printer at 300 ppi will measure 1200 x
1800 pixels.
--
John McWilliams >> Stay informed about: Resolution, dpi, & pixelation for printing. |
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External
Since: Aug 04, 2005
Posts: 370
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(Msg. 6) Posted: Thu Nov 16, 2006 3:31 pm
Post subject: Re: Resolution, dpi, & pixelation for printing. [Login to view extended thread Info.]
Imported from groups: per prev. post (more info?)
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External
Since: Aug 04, 2005
Posts: 370
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(Msg. 7) Posted: Thu Nov 16, 2006 3:31 pm
Post subject: Re: Resolution, dpi, & pixelation for printing. [Login to view extended thread Info.]
Imported from groups: per prev. post (more info?)
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External
Since: Aug 04, 2005
Posts: 370
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(Msg. 8) Posted: Thu Nov 16, 2006 3:31 pm
Post subject: Re: Resolution, dpi, & pixelation for printing. [Login to view extended thread Info.]
Imported from groups: per prev. post (more info?)
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External
Since: Aug 04, 2005
Posts: 370
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(Msg. 9) Posted: Thu Nov 16, 2006 3:31 pm
Post subject: Re: Resolution, dpi, & pixelation for printing. [Login to view extended thread Info.]
Imported from groups: per prev. post (more info?)
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External
Since: Aug 04, 2005
Posts: 370
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(Msg. 10) Posted: Thu Nov 16, 2006 3:31 pm
Post subject: Re: Resolution, dpi, & pixelation for printing. [Login to view extended thread Info.]
Imported from groups: per prev. post (more info?)
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External
Since: Aug 31, 2005
Posts: 379
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(Msg. 11) Posted: Thu Nov 16, 2006 5:22 pm
Post subject: Re: Resolution, dpi, & pixelation for printing. [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Ben Bowen wrote:
> Hi all. I just sent out a bunch of pictures to get processed. They were
> taken with my new Canon A640 (10MP). I re-sampled the pix using Corel
> Photopaint to 1024 x 768 to print 4" x 6" prints, because 10MP are too
> big to upload. I believe that is the correct resolution to use,
> however, a lot of the pictures are pixelated. So now, I'm trying to
> debug what I did wrong. I previously had a Canon Powershot S300 (2MP)
> and never had these problems. I camera takes pix at 72dpi and the
> re-sampled pix have 72dpi too, so I doubt it could be that. Did I
> decrease the resolution too much? Should I make it 1200x1600? When I
> print the images at home (from orignial not-resampled images) I have no
> problem, but the re-sampled images I uploaded are no good. I will try
> various combos of re-sampling to experiment, but I'd like to have an
> idea of what I'm shooting for.
Your S300 was generating (as max) 1600x1200, so I'd aim
for that.
BugBear >> Stay informed about: Resolution, dpi, & pixelation for printing. |
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External
Since: Aug 31, 2005
Posts: 379
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(Msg. 12) Posted: Thu Nov 16, 2006 5:22 pm
Post subject: Re: Resolution, dpi, & pixelation for printing. [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Ben Bowen wrote:
> Hi all. I just sent out a bunch of pictures to get processed. They were
> taken with my new Canon A640 (10MP). I re-sampled the pix using Corel
> Photopaint to 1024 x 768 to print 4" x 6" prints, because 10MP are too
> big to upload. I believe that is the correct resolution to use,
> however, a lot of the pictures are pixelated. So now, I'm trying to
> debug what I did wrong. I previously had a Canon Powershot S300 (2MP)
> and never had these problems. I camera takes pix at 72dpi and the
> re-sampled pix have 72dpi too, so I doubt it could be that. Did I
> decrease the resolution too much? Should I make it 1200x1600? When I
> print the images at home (from orignial not-resampled images) I have no
> problem, but the re-sampled images I uploaded are no good. I will try
> various combos of re-sampling to experiment, but I'd like to have an
> idea of what I'm shooting for.
Your S300 was generating (as max) 1600x1200, so I'd aim
for that.
BugBear >> Stay informed about: Resolution, dpi, & pixelation for printing. |
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External
Since: Aug 31, 2005
Posts: 379
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(Msg. 13) Posted: Thu Nov 16, 2006 5:22 pm
Post subject: Re: Resolution, dpi, & pixelation for printing. [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Ben Bowen wrote:
> Hi all. I just sent out a bunch of pictures to get processed. They were
> taken with my new Canon A640 (10MP). I re-sampled the pix using Corel
> Photopaint to 1024 x 768 to print 4" x 6" prints, because 10MP are too
> big to upload. I believe that is the correct resolution to use,
> however, a lot of the pictures are pixelated. So now, I'm trying to
> debug what I did wrong. I previously had a Canon Powershot S300 (2MP)
> and never had these problems. I camera takes pix at 72dpi and the
> re-sampled pix have 72dpi too, so I doubt it could be that. Did I
> decrease the resolution too much? Should I make it 1200x1600? When I
> print the images at home (from orignial not-resampled images) I have no
> problem, but the re-sampled images I uploaded are no good. I will try
> various combos of re-sampling to experiment, but I'd like to have an
> idea of what I'm shooting for.
Your S300 was generating (as max) 1600x1200, so I'd aim
for that.
BugBear >> Stay informed about: Resolution, dpi, & pixelation for printing. |
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External
Since: Aug 31, 2005
Posts: 379
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(Msg. 14) Posted: Thu Nov 16, 2006 5:22 pm
Post subject: Re: Resolution, dpi, & pixelation for printing. [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
|
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Ben Bowen wrote:
> Hi all. I just sent out a bunch of pictures to get processed. They were
> taken with my new Canon A640 (10MP). I re-sampled the pix using Corel
> Photopaint to 1024 x 768 to print 4" x 6" prints, because 10MP are too
> big to upload. I believe that is the correct resolution to use,
> however, a lot of the pictures are pixelated. So now, I'm trying to
> debug what I did wrong. I previously had a Canon Powershot S300 (2MP)
> and never had these problems. I camera takes pix at 72dpi and the
> re-sampled pix have 72dpi too, so I doubt it could be that. Did I
> decrease the resolution too much? Should I make it 1200x1600? When I
> print the images at home (from orignial not-resampled images) I have no
> problem, but the re-sampled images I uploaded are no good. I will try
> various combos of re-sampling to experiment, but I'd like to have an
> idea of what I'm shooting for.
Your S300 was generating (as max) 1600x1200, so I'd aim
for that.
BugBear >> Stay informed about: Resolution, dpi, & pixelation for printing. |
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External
Since: Aug 31, 2005
Posts: 379
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(Msg. 15) Posted: Thu Nov 16, 2006 5:22 pm
Post subject: Re: Resolution, dpi, & pixelation for printing. [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
|
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Ben Bowen wrote:
> Hi all. I just sent out a bunch of pictures to get processed. They were
> taken with my new Canon A640 (10MP). I re-sampled the pix using Corel
> Photopaint to 1024 x 768 to print 4" x 6" prints, because 10MP are too
> big to upload. I believe that is the correct resolution to use,
> however, a lot of the pictures are pixelated. So now, I'm trying to
> debug what I did wrong. I previously had a Canon Powershot S300 (2MP)
> and never had these problems. I camera takes pix at 72dpi and the
> re-sampled pix have 72dpi too, so I doubt it could be that. Did I
> decrease the resolution too much? Should I make it 1200x1600? When I
> print the images at home (from orignial not-resampled images) I have no
> problem, but the re-sampled images I uploaded are no good. I will try
> various combos of re-sampling to experiment, but I'd like to have an
> idea of what I'm shooting for.
Your S300 was generating (as max) 1600x1200, so I'd aim
for that.
BugBear >> Stay informed about: Resolution, dpi, & pixelation for printing. |
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