How do I prepare a Lightroom photo for a 10x8 print?
Asked 1/26/2013
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I’m using Lightroom 4 on a Mac with files from a Nikon D700 and want to send an image to a lab for a 10x8 print. In Lightroom, should I set the aspect ratio and size in Export using Width & Height, Long Edge, Dimensions, or Megapixels? Should "Resize to Fit" be checked, and what image size should I enter to get a proper 10x8 print?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
13y ago
2 Answers
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The export dialog has nothing to do with the aspect ratio of the image. Those options are for scaling the image. Use the develop tab to crop the image to the correct aspect ratio. The option is on the right after the crop mode is activated.

Once the image is cropped to your liking export at the desired quality and send it to the lab for printing.
Most photo labs will take the wrong aspect ratio and do a center crop or leave white margins if you send the wrong size. Doing it in Lightroom will give you more control.
Originally by user3335. Source · Licensed CC BY-SA 4.0
user3335
13y ago
0
Generated from our catalog & community — verify before relying on it.
For a 10x8 print, the important step is to crop the photo to the correct aspect ratio before export. In Lightroom, do that in the Develop module using the Crop tool, where you can choose the print ratio that matches 10x8.
The Export dialog does not set the image’s composition or aspect ratio; those options only scale the file. After cropping, export at high quality and send it to the lab.
If you send a file with the wrong aspect ratio, many labs will either crop it automatically from the center or add white borders. Cropping it yourself in Lightroom gives you control over what gets included in the print.
So, in short:
- Set the print ratio with the Crop tool in Develop.
- Export afterward at good quality.
- Use Resize to Fit only if your lab specifically asks for a certain pixel dimension; otherwise it’s not the key setting for getting a true 10x8 print.
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