problem printing 20x30

[8ball]

youw ant ti fully blown out or the orig?

 

[MohaimenK]

yes, let them interpolate (blow) it up from their location. Just tell them you want that image in 20x30 that's all

 

[KmH]

The key to the maxmum size you can print is the pixel dimensions.

Raw data files cannot be directly printed. They must be converted to a printable format, like TIFF or JPEG. Many labs will not accept TIFFs because the file are huge compared to JPEGs and take up to much memory space.

Nations Photo Lab says they will only accept TIFFs that don't have any layers.
Nations Photo lab also says they require photos be in the sRGB colorspace and only have an 8-bit color depth. * They also say they require a 300 dpi (sic) resolution, indicating you should let them use their RIP software to interpolate the pixels to 300 ppi, if you want a 20x30 print from a 2000x3000 px image.

FAQ: Nations Photo Lab (See #5)

If you have an image that is 2000 px by 3000 px and want to print it at 20" x 30" without interpolating the pixels, you will print at 100 ppi (Pixels per inch) 2000 pixels / 100 pixels-to-the-inch = 20" - just your basic 5th grade math. (see *above)

By the way DPI only applies to printers that use dots to print. What you are ordering is a chromogenic print.

A chromogenic print is made by projecting your image onto light sensitive paper. (Nations uses Kodak Professional Endura Paper) The paper is then exposed to a couple of different chemcials that develope the print (RA-4 chemistry). There are no dots involved, just pixels, which is why dpi is an incorrect term.

How good a 100 ppi print will look, depends on the photo the print was made from, and how far from the print people viewing the photo are.

From six inches away, a 20" x 30", 100 ppi print won't look to good, but from 6 feet.........

 

[8ball]

sorry i am 2 days late but here is the image we were talking about

 

[Bitter Jeweler]

Bumped for erose