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<blockquote data-quote="Revet" data-source="post: 416044" data-attributes="member: 17612">I looked all through Lightroom and I can never get that kind of display showing what bit depth it is working with.&nbsp; I did find the following info on Google;&quot;To have this additional “editing headroom”, you have to capture a high bit-depth image, i.e. a raw file, and you have to enhance it as a high-bit depth file.&nbsp; It does no good to convert a raw file into 8 bit as you move into Photoshop to work it.&nbsp; While you are working in Lightroom or Camera Raw, your work on your raw file is in 16 bit (standardized to accomodate 12, 14 and 16).&nbsp; When you move a file from Lightroom or ACR to Photoshop, you need to ensure that the Photoshop file stays in 16 bit.&nbsp; In Lightroom, go to Edit or Lightroom&gt;Preferences&gt;External Editing, and set your PSD or TIFF preference to 16 bit.&nbsp; In ACR, click on the workflow options at the bottom of the screen and do the same.&quot;&nbsp; This is from Laura Shoe's Lightroom.&nbsp; I don't know who Laura is but she has numerous training videos and does training seminars to master Lightroom.&nbsp; This seems to suggest that Lightroom is working at 16 bits automatically but you do need to make sure that you are sending a 16 bit file to an external editing program and to set the ACR settings correctly as you showed in your thread.</blockquote>

[QUOTE="Revet, post: 416044, member: 17612"] I looked all through Lightroom and I can never get that kind of display showing what bit depth it is working with. I did find the following info on Google; [COLOR=#000000][FONT=Arial]"To have this additional “editing headroom”, you have to capture a high bit-depth image, i.e. a raw file, and you have to enhance it as a high-bit depth file. It does no good to convert a raw file into 8 bit as you move into Photoshop to work it. While you are working in Lightroom or Camera Raw, your work on your raw file is in 16 bit (standardized to accomodate 12, 14 and 16). When you move a file from Lightroom or ACR to Photoshop, you need to ensure that the Photoshop file stays in 16 bit. In Lightroom, go to Edit or Lightroom>Preferences>External Editing, and set your PSD or TIFF preference to 16 bit. In ACR, click on the workflow options at the bottom of the screen and do the same." This is from Laura Shoe's Lightroom. I don't know who Laura is but she has numerous training videos and does training seminars to master Lightroom. [/FONT][/COLOR]This seems to suggest that Lightroom is working at 16 bits automatically but you do need to make sure that you are sending a 16 bit file to an external editing program and to set the ACR settings correctly as you showed in your thread. [/QUOTE]

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