How properly prepare raw-files for big format printing?

Started 2 months ago | Questions thread
Al D Contributing Member • Posts: 704
Re: How properly prepare raw-files for big format printing?
3

SergeSkor wrote:

I have 7380 x 4928 raw file (Nikon D810), I would like to print it, using WhiteWall.com service, 24" x 36" in ultra-HD (see details: https://www.whitewall.com/us/acrylic-prints/ultra-hd-print). Never have printing before in big format with high resolution, so my question is: when exporting tiff-file from raw, using Lightroom, should I resample my raw to higher resolution? Or live resolution as it is in raw file (7380 x 4928) and let them to resample?

If better to resample - to which resolution? 300dpi?

P.S. Copied this post into "Printers and Printing" forum, but cannot remove it from here anymore, sorry

You can find answers to most of your questions by reading their FAQ: Image File Requirements | WhiteWall

Not with this print shop but I recently had two large panoramas printed on canvas, 72"x30" and 60"x30". I prepared the files for printing, resampled each of them in PS to the correct size and resolution and uploaded in tiff.

A suggestion for you: print usually will render darker than the backlit images you view on your monitor. If you have your own printer it would be a good idea to do a test print in a smaller size (like 4x6) and adjust if necessary.

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