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Megan533

: Is there a way for Lightroom to export without changing the ppi? Currently I am creating .psd images "to scale" by changing the ppi so that 1mm = 1mm. This way I can drop the image in InDesign

@Megan533

Posted in: #AdobeLightroom #Dpi #PhotoEditing #Ppi

Currently I am creating .psd images "to scale" by changing the ppi so that 1mm = 1mm. This way I can drop the image in InDesign and it will print at the actual size. I cannot however find a way for Lightroom to export a jpg without altering the ppi, so I instead have to open it with photoshop again and export it there.

Am I missing something, or does Lightroom have to set the resolution every time?

Right now, I'm using lightroom more for it's cataloging than it's editing.
My workflow is:
1. Shoot product with green-screen and ruler.
2. Make basic adjustments in Lightroom and add keywords, titles...
3. Export to .psd (100dpi) to mask out background and more touchups.
4. Use ruler measurements to calculate dpi for "scale". Since image is at 100dpi, if 1cm on the "ruler" reads 186.2mm (example) I change the dpi to 1862. Now 1cm = 1cm.
5. Back in Lightroom I would like to export the .psd to various jpgs, but need 1 that retains the 1862dpi (which varies).

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@Deb5748823

Am i correct that you want to edit jpeg images in Lightroom which already contain resolution information? In this case afaik you have to set the resolution for each file as you already stated in your question.

Lightroom is designed to manage and edit photos from digital cameras which do not have inherent resolution information (it would not make sense). Exporting images is the first time the physical size of the image comes into play.

E.g. if you have a 12MP camera (~4300*2800) and use the Lightroom default setting of 240ppi, images exported from Lightroom will appear of ~18x12inch in InDesign.

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