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FORUMS Post Processing, Marketing & Presenting Photos RAW, Post Processing & Printing 
Thread started 14 Jul 2011 (Thursday) 19:44
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Lab Recommendation for Upload & Printing

 
Roxie2401
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Jul 14, 2011 19:44 |  #1

Just moved from a major east coast city to a very small, rural town. My only access for printing (8x12, etc.) is "CVS" and "Wal-Mart."

Looking for good recommendations for uploading and printing services.

Also, should the upload be jpeg or tiff?


Thanks




  
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tim
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Jul 15, 2011 00:50 |  #2

mpix.com, Q10 jpeg.


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Roxie2401
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Jul 15, 2011 11:46 as a reply to  @ tim's post |  #3

Only one recommedation?

Also, is there a chart that shows recommended pixel size for 8 x 10, 4 x 6, etc. @ 350 DPI?




  
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René ­ Damkot
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Jul 15, 2011 11:52 |  #4

8 x 10" at 300ppi (pixels per inch) = 2400 x 3000 pixels.
I think you can figure out the math ;)


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B-ham ­ Gary
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Jul 15, 2011 12:01 as a reply to  @ René Damkot's post |  #5

Search is your friend; plenty of threads on this. ;-)a

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D ­ Thompson
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Jul 15, 2011 12:02 |  #6

tim wrote in post #12761302 (external link)
mpix.com, Q10 jpeg.

+1.


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Bodog
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Jul 15, 2011 15:08 |  #7

Roxie2401 wrote in post #12763283 (external link)
Only one recommedation?

Also, is there a chart that shows recommended pixel size for 8 x 10, 4 x 6, etc. @ 350 DPI?

From Mpix FAQ:

What is the optimal resolution for printing?
We do not require a maximum resolution for the images you upload. The higher the resolution, the better the picture will be. It's that simple. The Mpix printers output at 250 ppi. However, we are frequently asked what the optimal resolution is for the prints we offer.

Optimal resolutions:

Optimal Minimum
Mini 438x625 150x250
Wallets 625x875 250x35​0
3.5x5" 875x1250 350x50​0
4x5" 1000x1250 400x500
4x6" 1000x1500 400x600
5x5" 1250x1250 500x500
5x7" 1250x1750 500x700
6x9" 1500x2250 600x900
8x8" 2000x2000 800x800
5x15" 1250x3750 500x15​00
8x10" 2000x2500 800x10​00
8.5x11" 2125x2750 850x​1100
8x12" 2000x3000 800x12​00
10x10" 2500x2500 1000x​1000
9x12" 2250x3000 900x12​00
10x13" 2500x3250 1000x​1300
12x12" 3000x3000 1200x​1200
10x15" 2500x3750 1000x​1500
5x30" 1250x7500 500x30​00
11x14" 2750x3500 1100x​1400
10x20" 2500x5000 1000x​2000
12x18" 3000x4500 1200x​1800
12x24" 3000x6000 1200x​2400
16x20" 4000x5000 1600x​2000
16x24" 4000x6000 1600x​2400
20x24" 5000x6000 2000x​2400
20x30" 5000x7500 2000x​3000


JimE
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Roxie2401
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Jul 15, 2011 15:38 as a reply to  @ Bodog's post |  #8

Thanks for the advice.

I'm still using Canon DPP and wasn't sure what resolution to set in the "Convert and Save" section.

Now here is a really basic question, if I use the Trim tool to crop with a 5 x4 ratio, do I need to "resize" the image when I convert it for an 8 x 10 or just specify the print size (8 x 10)?


As to 'searching for threads', I did try that and found that I was more interested in what experienced users would recommend. I really appreciated the input I've received. Thanks to everyone.




  
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tonylong
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Jul 15, 2011 17:06 |  #9

When you use the Trim tool you are setting an aspect ratio that applies to any appropriate print size. So, a 4:5 Trim aspect ratio will print an 8x10 or a 16x20. The Convert and Save will keep that aspect ratio but there you can specify pixel dimensions as well. You can have those dimensions resized down to save on file size or resized up to, if you wish, enlarge an image resolution if you are going for a larger print and wish to maintain control of processing at the larger size.


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Roxie2401
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Jul 15, 2011 17:16 |  #10

tonylong wrote in post #12764996 (external link)
When you use the Trim tool you are setting an aspect ratio that applies to any appropriate print size. So, a 4:5 Trim aspect ratio will print an 8x10 or a 16x20. The Convert and Save will keep that aspect ratio but there you can specify pixel dimensions as well. You can have those dimensions resized down to save on file size or resized up to, if you wish, enlarge an image resolution if you are going for a larger print and wish to maintain control of processing at the larger size.


Tony,

If I understand, in your example, if I trim with the 4:5 ratio, then Convert and Save - if I want a 16x20 print, per the above chart, change the size to 4000 x 5000?

If that is right, how does the DPI setting come into play?

And, should I be including the ICC Profile in the image?




  
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Bodog
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Jul 15, 2011 17:17 as a reply to  @ tonylong's post |  #11

When cropping, be aware that Mpix (and all labs AFAIK) recommend increasing your pixel dimensions by 2% to compensate for paper feed variation. See their FAQ for explanation.
BTW you can ignore DPI settings unless you're submitting images to be published in a magazine or some other publication; image resolution is measured in number of pixels, not an imaginary density. For printing photos put any number you like there.


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Roxie2401
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Jul 15, 2011 17:32 as a reply to  @ Bodog's post |  #12

WOW - you guys are great! Thanks.

If I can ask another DPP question on this thread - if all I want to do is add a little sharpening, do I use the Tool Pallet in DPP, add the sharpening in the RAW tab or in the RGB tab? And, if its the RGB, I assume its better to do this before doing the "Convert and Save" rather than try to sharpen the resulting jpeg file - to avoid more compression?

If its the RAW tab, is the unsharp mask the one to use or just the straight sharpening slider?

Maybe this is specific to DPP, but what are the pros and cons of sharpening the RAW vs the RGB? If I should be looking at a specific DPP or sharpening thread, just let me know.




  
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tonylong
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Jul 15, 2011 17:43 |  #13

Roxie2401 wrote in post #12765037 (external link)
Tony,

If I understand, in your example, if I trim with the 4:5 ratio, then Convert and Save - if I want a 16x20 print, per the above chart, change the size to 4000 x 5000?

This depends on the original resolution of your image and how you want to handle enlarging.

The "standard rule of thumb" is to aim for 300 ppi, so for an 8x10 you would set your output dimensions at 2400x3000 pixels. All within a normal image resolution. But double those for the 16x20 so that you get 4800x6000 pixels as "optimal" (300 ppi) and there you have to do the "enlarging juggling act" since our DSLR images don't yet go to 28.8 megabytes:)!

So, at this point you bear a couple things in mind -- do you want to submit a lower ppi resolution and let the printer manage any up-rez needed, or do you want to do the enlargement yourself?

Actual results will vary depending on the original image quality as well as the resolution. People can get "good" results from a 150 ppi image, meaning that if you have the 2400x3000 dimensions or better, and your image is nice and crisp/sharp, then you can have a reasonable expectation of getting a "good" print back. Don't shrink the image at all, you just may not want to go to the hassle of enlarging it.

Which way you go is up to you and some trial and error testing!

If that is right, how does the DPI setting come into play?

As was noted above, the dpi/ppi "setting" is meaningless for digital processing and printing -- it's a label. There are some commercial labs and publishers who do want you to apply a label, and there are also some that will require you to resize an image to, say, 300 ppi, but those tend to be an exception. Find out specifically what your lab requires as well as what it advises.

And, should I be including the ICC Profile in the image?

I've always thought that you don't want to embed the printer/ink/paper ICC profile into the image. You normally convert the image to sRGB for almost all labs and shops and such and would only use the ICC profile for softproofing (and for your software to manage your printing colors, etc).

But recently a member here was told by a lab that he should embed their ICC profile rather than the "standard" sRGB color space. Hmm, I don't know about that, I would only consider it if a lab insisted that I do this. For most uses, converting the image to sRGB when exporting/ Convert and Saving/Save for Web, whatever software you are using does, makes the image manageable by most standard printers.


Tony
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Wildlife project pics here (external link), Biking Photog shoots here (external link), "Suburbia" project here (external link)! Mount St. Helens, Mount Hood pics here (external link)

  
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Roxie2401
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Jul 15, 2011 19:00 as a reply to  @ tonylong's post |  #14

Tony,

Thanks so much - that really helped.

If I can ask another DPP question on this thread - if all I want to do is add a little sharpening, do I use the Tool Pallet in DPP, add the sharpening in the RAW tab or in the RGB tab? And, if its the RGB, I assume its better to do this before doing the "Convert and Save" rather than try to sharpen the resulting jpeg file - to avoid more compression?

If its the RAW tab, is the unsharp mask the one to use or just the straight sharpening slider?

Maybe this is specific to DPP, but what are the pros and cons of sharpening the RAW vs the RGB? If I should be looking at a specific DPP or sharpening thread, just let me know.




  
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tonylong
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Jul 15, 2011 20:18 |  #15

I'm usually not picky for
Web output, but if you want to get picky, let's say for a large print, try this: Resize to a print/display size in the tiff format. Then, sharpen the pic to taste in either the Raw and/or the RGB tab. Then, when you are satisfied, Convert and Save to a jpeg. Check out your final result, and if you need to, redo it!


Tony
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Tony Long Photos on PBase (external link)
Wildlife project pics here (external link), Biking Photog shoots here (external link), "Suburbia" project here (external link)! Mount St. Helens, Mount Hood pics here (external link)

  
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Lab Recommendation for Upload & Printing
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