Merge photos to HDR in Photoshop

High dynamic range (HDR) images combine multiple photos captured at different exposures. HDR images allow you to represent a wider and more realistic range of dark and bright regions of a scene in a single photo.

The merge-to-HDR feature in Lightroom requires that you have one of the following combinations of Photoshop and Camera Raw installed on your computer:

  • Photoshop CS3 10.0.1 and Camera Raw 4.6 or later

  • Photoshop CS4 and Camera Raw 5.7 or later

  • Photoshop CS5 and Camera Raw 6.2

Note: The following instructions are for Photoshop CS5.
  1. In the Library or Develop module, select two or more photos to merge to HDR.
  2. Choose Photo > Edit In > Merge To HDR Pro In Photoshop.
  3. If one or more photos lacks exposure metadata, specify values in the Manually Set EV dialog box.
  4. Specify options in the Photoshop Merge To HDR Pro dialog box and click OK.

    Photoshop merges the photos into a background layer in one HDR image.

  5. Edit the image as desired in Photoshop.
    Note: In order for the newly saved photo to be automatically added to the Lightroom catalog, convert it to 8 or 16 bits per channel before saving. Choose Image > Mode > 8 Bits/Channel or Image > Mode > 16 Bits/Channel in Photoshop.
  6. Choose File > Save.

    The saved photo is automatically added to the Lightroom catalog as a TIFF file.