300 dpi pictures

When I open my photographs in Fireworks, they open in 72 dpi.
After I modify them, I need to save them at 300 dpi. (I do not have
Photoshop which will of course open the photos in 300 dpi if
asked.)
1) Do I lose quality when converting/resampling the photos to
300 dpi in Fireworks and then saving?
2) I know of two ways of converting to 300 dpi. One, I go to
the Modify -> Canvas -> Image size and change it to 300 dpi.
Two, I can open a 300 dpi window, paste the present image, and when
asked say resample.
Is one of these methods better than the other?
3) Is Photoshop better at obtaining and preserving a quality
300 dpi photo. Or can I stay with Fireworks (a program of which I
am very fond)?
Thanks!

1)As long as you do not resample the image, the only quality
loss is
from resaving the jpeg file. Unless you are planning to print
the
images, changing the dpi has no effect anyway, so you may not
need to
alter it.
2)Either will do the job, but the first one is faster. Just
don't
resample the image.
3) Again, the concept of dpi is only relevant when printing.
Changing
dpi does not change the image file quality in any way, so
long as the
file is not resampled. DPI does affect print quality and
print
(reproduction) size.
HTH
Jim Babbage - .:Community MX:. & .:Adobe Community
Expert:.
Extending Knowledge, Daily
http://www.communityMX.com/
CommunityMX - Free Resources:
http://www.communitymx.com/free.cfm
.:Adobe Community Expert for Fireworks:.
news://forums.macromedia.com/macromedia.fireworks
news://forums.macromedia.com/macromedia.dreamweaver
TresTria wrote:
> When I open my photographs in Fireworks, they open in 72
dpi. After I modify
> them, I need to save them at 300 dpi. (I do not have
Photoshop which will of
> course open the photos in 300 dpi if asked.)
>
> 1) Do I lose quality when converting/resampling the
photos to 300 dpi in
> Fireworks and then saving?
>
> 2) I know of two ways of converting to 300 dpi. One, I
go to the Modify ->
> Canvas -> Image size and change it to 300 dpi. Two, I
can open a 300 dpi
> window, paste the present image, and when asked say
resample.
>
> Is one of these methods better than the other?
>
> 3) Is Photoshop better at obtaining and preserving a
quality 300 dpi photo. Or
> can I stay with Fireworks (a program of which I am very
fond)?
>
> Thanks!
>
>
>

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WallStShari wrote:
I had cropped my image to 3 x 3 first.
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writerinpjs wrote:
Hello,
I've read through many of the threads on 300 ppi/dpi. I understand the solutions offered such as batch processing and how the printer will print the image size that equals the 300 dpi. However, I have a different issue. I purchased just this week a Rebel T5 with the assumption that I would be able to take 300 dpi images not 72. I create books for print and my printers require 300 dpi. They will not do the conversion. My options in the past have been film camera to CD (old, I know) or the iPhone. I was spending a lot of time in Photoshop getting the images to printer requirements. So imagine my dismay uploading the first batch of photos into Photoshop and seeing 72 dpi. Yes I was able to change them 300 - but this is exactly the production work I had hoped to not have by purchasing the new Rebel.
There has got to be a better way?
Or is it a different digital camera I need to purchase?
It's that you (abetted by Photoshop) are reading too much into the term "dpi". The size of a digital photograph is measured in pixels, not inches. For a given pixel count, the picture will print smaller at 300 dpi than at 72 dpi, but will have, by definition, a correspondingly higher resolution. You start with a RAW image and crop it to the desired aspect ratio. Then you compute how many pixels you need in, say, the longer dimension, given the native resolution (e.g., 300 dpi) of the printer and the desired picture size (e.g., a length of 10 inches). Finally, you convert the image to JPEG, setting the number of pixels in the long dimension of the converted image to that computed number (e.g., 3000). Then when you print the image, things will come out right. What you describe above is Photoshop trying to do the calculation for you. But IMO, that usually just adds confusion. Work in pixels and you won't go wrong.
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Converting jpeg to 300 dpi

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Welcome to the Apple Discussions. It all depends on the print size what the dpi will be. First crop the picture to the size that's to be printed. Say an 8x10. That will require a pixel dimension of 2400 x 3000 pixels.
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Help! My 300 dpi images are printing low quality!

I've purchased print-ready images (300 dpi) from an extremely well-known stockphoto website to use in a brochure I'm creating. On the brochure cover (which is 8.5" x 5.5"), I have placed 14 of these print-ready images. (FYI-all of these print-ready images are pictures of people smiling while doing various activities.)
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I have also re-scaled the images in Photoshop (leaving them at 300 dpi) and created a .tiff file, but no matter what I do (and I've been wrestling with this single problem for DAYS), I can't get these images to actually appear clearly on a printed page. When I forwarded my brochure (in .indd, .pdf, and .eps formats) to a professional printing company, they came back to me telling me to use print-ready images.
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Thanks for the comments thus far! I forgot to mention that all of my images are .jpegs (300dpi).
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Downsizing from 300 dpi

Hello,
For my work I need high resolution pictures only. So often I have to resize them to 300 dpi.
Only when I resize them to 300 dpi it increases the file size to a few 1000 px * 1000px..
How can I resize my pictures to 300 dpi en then resize them to the format I want?
Still learning here so I'm sorry for any trouble.
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If you want application help, go to that application’s forum.
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How do I take 300 dpi photos with my iPhone 4s? And how do I export them to my MacBook Pro at 300 dpi to use as I want to print photos.

How do I take 300 dpi photos with my iPhone 4s?
And how do I export them to my MacBook Pro at 300 dpi to use as I want to print photos.
I have been using the standard camera on the iPhone and require 300 dpi to create photo books as the photos are resized according the layout.
Your time and assistance in appreciated.
Thanks

Thanks Tonefox!
After looking at a few of the links I found a mathematical equation that assisted me.
Inches = Pixels/DPI
eg: 3 inches = 300 pixels/100 DPI
Using this equation and the fact that iPhone 4s takes photos that are 3264 x 2448 I was able to work out the largest print I could make with 300 DPI.
Width 3264 pix/ 300 DPI = 10.88 inches
Height 2448 pix/ 300 DPI = 8.16 inches
Therefore, the largest print (with 300DPI) I can make of these photos is 10.88 inches x 8.16 inches.
Which is great!
So is it critical for me to change the dpi in say photoshop or does it not matter as long as I don't go above the 10.88 inches x 8.16 inches?
From what I can gather the smaller I resize the photo the higher the DPI and the bigger I stretch the photo the lower the DPI?
Further clarification will be much appreciated. Thanks

How can I get 300 dpi tifs out of webex stills & then worked on in adobe illustrator?

How can I get 300 dpi tifs out of webex stills & then worked on in adobe illustrator?
I have been trying to convert images created in webex and transferred to illustrator into 300 dpi tifs. They download as ucf's when generated on white board. Or I have to upload files from other webex participants coming in at 72 dpi, converting them to something bigger in photoshop to paint in before taking them back into the webex session as a doc that then gets worked on further during the session. Later they go into illustrator for some more work with vectors. That's fine for the web but now a publisher wants them as 300 dpi tifs and I can only get things back & forth as 72 dpi pdf's. If I try to bump them up with a resample, they come out teensy weensy. What am I missing and is there any way to make them look good?

What I need is to be able to transfer the images between formats without degradation of the resolution and find ways to sharpen what I have even if I can't increase pixels. If the original I'm delivered is a 96 dpi power point slide, for example, that's what I have to work with, I'm using Illustrator to compensate with vectors. But then I still need to get it back to a 300 dpi tiff to meet the specs.

LaserJet 1200 Econo Mode 300 dpi 600 dpi

I just got a new HP tower, and when I hooked up the Laserjet 1200 series printer, It's printing very dark. I went into the control panel, as I had done in the past, and it doesn't show the economode tab for the toner, it says 300 dpi, 600 dpi, I've tried both and they both seem the same, not like the old economode. Please, can you tell me what is the best way to save toner. I do a lot of printing, and LOVE the Laserjet, I actually have two of them, PS, Just got the hp p6110y tower- It's awesome.
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Why jpeg file exported from Aperture with 300 dpi's it opens with 72 dpi's on PS ( image size)? I've tried several combinations and all give different results. And I am confused on what is the best workflow for me.

Ok.
My workflow is
RAW > Aperture Library > export jpeg high resolution 300 dpi's > one file on PS > edit > Save us jpeg. The I realised that files from PS were being save in a smaller size from the ones exported form Aperture. That is when I went o see <image size> on PS and files were with 72.
Since ten I've trying different things
1. Aperture > export as PSD > open on PS > edit > Save us jpeg = small file (around 15 MB)
2. Aperture > export as jpeg high resolution 300 dpi's > open on PS > CHANGE dpi's to 300 on <image size> edit > Save us jpeg = big file (Huge, actually)
What am I doing wrong? Would someone give me guidance and tell me what is the best workflow, considering I edit photos to deliver to my clients and I shall give them 300 dpi's.
Thank you

This is a known Aperture issue: Problem with Aperture 3.6 preset exports. | Apple Support Communities
Benjamin

300 dpi pictures

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