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D800 Print
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Feb 20, 2013 20:06:37   #
BboH Loc: s of 2/21, Ellicott City, MD
 
Know little about printing...
Decided I want to see what a "full blown" D800 image will look like, especially the in-camera HDR (which does not work with RAW).

The Exif for the image I want to print is:
JPEG Large Fine 8 bit - 7360x4912 pixels, 12.8MB
300 DPI, SRGB; Capture NX2 says the print will be 24.53" x 16.37".

Went to Sam's Club - the computer said "Cannot Process". Clerk said try uploading from home.
The upload criteria includes one that sets the maximum size for one image at 6MB.

As I don't want to reduce the size of the print, it seems the only variable open to play with is the resolution. Reducing it to 100DPI gets the file size down to 11.5MB (won't be using Sam's). My question, how much can the DPI be reduced without impairing the print quality of what the D800 can do? (hope I asked it right)
Thanks



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Feb 20, 2013 20:11:38   #
MT Shooter Loc: Montana
 
I routinely (at least one per week) print D800 images at 24x36 inches and 300dpi. I do however print these large sizes from TIFF files and never from JPG. I never print anything larger than 11x14 from a JPG file.
I have printed at 240dpi when I used the D7000 bodies and had good results, but much prefer the 300dpi setting with the D800 TIFF's.

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Feb 20, 2013 20:32:49   #
BboH Loc: s of 2/21, Ellicott City, MD
 
Thanks, MT
I'll make a TIFF copy...
Question - do you use the TIFF because JPEG degrades the print quality at that size?

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Feb 20, 2013 21:09:37   #
MT Shooter Loc: Montana
 
BboH wrote:
Thanks, MT
I'll make a TIFF copy...
Question - do you use the TIFF because JPEG degrades the print quality at that size?


Any time you have the tonal range that the D800 has, you end up with a lot of compression in JPG, that does not come back smoothly when you print large. I always convert my RAW images to a TIFF if I need to save them or print them as this is by far the best way to get that resolution into print faithfully, and with proper color rendition.

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Feb 20, 2013 21:23:37   #
wolfman
 
From the Sam's website for upload times. Don't see anything about a 6mb limit. Just click on upload time.
http://samsclubus.pnimedia.com/help_panel/help/help_panel.htm

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Feb 21, 2013 01:10:33   #
Nikonian72 Loc: Chico CA
 
MT Shooter wrote:
I . . . print these large sizes from TIFF files and never from JPG. I never print anything larger than 11x14 from a JPG file.
Are you shooting originals in raw? When do you convert to TIFF?

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Feb 21, 2013 07:09:42   #
BboH Loc: s of 2/21, Ellicott City, MD
 
Nikonian72 wrote:
MT Shooter wrote:
I . . . print these large sizes from TIFF files and never from JPG. I never print anything larger than 11x14 from a JPG file.
Are you shooting originals in raw? When do you convert to TIFF?


...This was shot JPEG in-camera HDR - The HDR cannot be used when shooting RAW.
...Convert to TIFF: loaded image in ViewNX, sent to CaptureNX2 then did a Save As - TIFF

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Feb 21, 2013 07:10:55   #
BboH Loc: s of 2/21, Ellicott City, MD
 
wolfman wrote:
From the Sam's website for upload times. Don't see anything about a 6mb limit. Just click on upload time.
http://samsclubus.pnimedia.com/help_panel/help/help_panel.htm


It's there - wasn't easy to find. As I recall the size criteria is 200MB total, no more than 40 images , any one image no more than 6MB

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Feb 21, 2013 07:16:40   #
banjonut Loc: Southern Michigan
 
BboH wrote:
Know little about printing...
Decided I want to see what a "full blown" D800 image will look like, especially the in-camera HDR (which does not work with RAW).

The Exif for the image I want to print is:
JPEG Large Fine 8 bit - 7360x4912 pixels, 12.8MB
300 DPI, SRGB; Capture NX2 says the print will be 24.53" x 16.37".

Went to Sam's Club - the computer said "Cannot Process". Clerk said try uploading from home.
The upload criteria includes one that sets the maximum size for one image at 6MB.

As I don't want to reduce the size of the print, it seems the only variable open to play with is the resolution. Reducing it to 100DPI gets the file size down to 11.5MB (won't be using Sam's). My question, how much can the DPI be reduced without impairing the print quality of what the D800 can do? (hope I asked it right)
Thanks
Know little about printing... br Decided I want to... (show quote)


All I can say is, I've had a number of 20x30 prints done at SAMs Club. I know that some of them have been around 18 Meg's and have never run into a problem uploading to them.

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Feb 21, 2013 09:14:31   #
btink Loc: New Jersey
 
MT, do you print those large prints on a home printer or use someplace local/online? Thanks.

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Feb 21, 2013 09:19:11   #
MT Shooter Loc: Montana
 
Nikonian72 wrote:
MT Shooter wrote:
I . . . print these large sizes from TIFF files and never from JPG. I never print anything larger than 11x14 from a JPG file.
Are you shooting originals in raw? When do you convert to TIFF?


I shoot in RAW + JPG Basic most of the time. This gives me a small JPG file suitable for uploading straight from camera, as well as the RAW image for fine processing. I save as TIFF once I have finished any processing I feel is needed.

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Feb 21, 2013 09:19:56   #
MT Shooter Loc: Montana
 
btink wrote:
MT, do you print those large prints on a home printer or use someplace local/online? Thanks.


I print all my images at home now, unless I need high volume, then I use Costco. Specialty printing is usually done through Bay Photo, or The Darkroom for B&W prints and processing.

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Feb 21, 2013 09:38:30   #
Flipper2012 Loc: Alberta, Canada
 
MI SHOOTER you are one killer smart man when it comes to Nikon and photography. I wish I lived close to you so I could learn from your knowledge or at least be able to e-mail you but unfortunetly I live on the other side of the boarder.Keep up with the good advice.

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Feb 21, 2013 09:57:30   #
WAL
 
Have you flattened the file? Have you reduced it to 8 bit? Have you tried save as Jpg at 8 in Photoshop, which my CS5 refers to as high?
I am using a Canon 5 D 11, the files are big. I'll admit yours are bigger.

I understand that throwing away information from the file sounds wrong. I have done it and recieved impressive prints from Costco. The one I use has photographers running things. I am getting my Epson 3000 ready and will use that for highest quality output.

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Feb 21, 2013 10:06:46   #
WAL
 
An additional thought. 100 DPI is not enough for a quality print keep it above 200. Better to increase the JPG compression. Jeff Schewe (consults with Epson on printing) feels that leaving the file at its native resolution down to 180 ppi is better than resampling. If you do resample use proper resampling setting for file reduction. It's resampling sharper, not resampling smoother.

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