one of my customers wants to decorate walls of his new venue with my images, which he wants to print 5 ft. wide.
The images have been taken mostly with D4, some with D800 at pretty high ISO (1600-3200) at night.
What would you recommend as far as preparation of the images for large format printing is concerned? Should I use one of the "blow-up" software packages to enhance details for large format printing?
What would be the file format preferred by the printing company?
Your replies will be appreciated.
#1. "RE: Printing 5 feet wide" | In response to Reply # 0esantos Nikonian since 10th Nov 2002Thu 04-Oct-12 06:14 PM
From my testing and experience you will gain a small, but noticeable, amount of image quality by using a resizing program like OnOne's Perfect Resize Pro as opposed to using Photoshop's Bicubic algorithm with 12 megapixel images. I have yet to try it with 36 megapixel D800 files. I have blown up panoramas out to 7 feet x 3 feet.
The file format preferred by the printing company depends on the printing company, they are all different and usually have their own file preparation requirements. I would venture to say a 5 ft. wide image would be very large and require a lower color bit depth such as 8-bit as opposed to 16-bit, and a TIF file with no layers. You might get away with a lightly compressed JPG but you'll have to experiment if the compression does not interfere with the image quality vs. image size.
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#2. "RE: Printing 5 feet wide" | In response to Reply # 1piowoc Registered since 06th Aug 2007Thu 04-Oct-12 06:48 PM
Thank you Ernesto!
I appreciate your help.
I am wondering is using one of those "blow up" software packages for D4 and D800 images makes sense. Hope someone can give us some insight into this.
#3. "RE: Printing 5 feet wide" | In response to Reply # 0
First off is finding a local place that can output to the size you want and check with their image file requirements. The advantage of printing locally is that they may offer an option to output a small strip test at size so you can get an idea of the final image quality. Also possibly previewing the print output on the device at a smaller size so you or they can make adjustments if needed.
Shipping such a large print could be an option in a large tube as well. There's online sites that could output to that size as well.
I work for a graphics company in Burbank CA (Coloredge LA), although I don't work in the printing side anymore, the typical res for output to our Lambda printers (that output up to ~47" width by let fall or the length of the roll of paper 100') is 200dpi at 100% of size. The RIP stations we use can accept lower res (at 100% size) files, say 150dpi, or 100dpi, and still output excellent images. Ink printers I would venture to say outputting to that size would be OK with the same specs above.
RGB TIF files are typically the norm to submit for output. If you're outputting to JPEG be sure you save the file at the highest quality setting. You'll want to keep the image file at the highest quality without using any compression for the best output/finished print.
Hope this info helps!
#4. "RE: Printing 5 feet wide" | In response to Reply # 0
I've printed crops (probably 75-80% of full frame) from my D3 to 36x24 on my Epson 7900 using OnOne's Perfect Resize Pro 7 for the upresing with with very good results. I would not hesitate to print this way from my D4 to 5 ft. Of course a test strip to view quality is wise. I always print from flatten TIFF in 16 bit ProPhoto or Adobe RGB (no compression) until the file is absolutely too big.
#5. "RE: Printing 5 feet wide" | In response to Reply # 0
Depending on how large your original file is, you may need to go through several steps of resizing. Each iteration of upsizing should be no more than a 50% increase in size. So your initial D800 image will take two steps (7200 to 10,800 then 10,800 to final size) and a D4 image would take 3 steps.
In between steps, you might want to apply light noise reduction and possibly a little High Pass sharpening with a small radius. You may also want to stay away from Tonal Contrast or Unsharp Mask sharpening until after the image is fully resized since those methods tend to sharpen detail.
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