- Begin by opening Adobe Photoshop CS3. Select File>Automate>Merge To HDR…
- In the dialog box that pops up, click browse to select the images you want to merge into an HDR image. Click “Ok.” Photoshop will attempt to align the images based on content, results are usually better if you shoot with a tripod.
- In the Merge to HDR dialog box, you can adjust the white point in the preview by sliding the small triangle below the graph to the right or left. Adjust this to what “looks good to you.” Click “Ok.” [premium content]
- Photoshop will now create a 32 bit HDR image. The 32 bit image is beyond the range we can see on our monitors or in print, so we must now convert the image into 16 bit (what we can use in print/on screen).
- Navigate to Image>Mode>16 Bits / Channel… The HDR Conversion dialog box will pop up. [premium content]
- Select “Local Adaptation” as the method and adjust the curve to your “eye.” (Note the red circles to the right) Generally you will want to move the black point to the edge where the histogram meets the bottom of the graph. Click “Ok” when you have finished.
- Note: For Adobe CS6, there are new options for HDR Toning. Adjust the values in the Advanced section (Shown below) rather than the curve adjustment shown above. You will probably want to make the shadows lighter, the highlights darker and both Vibrance and Saturation higher.[premium content]
- Save your final file using the File>Save As… command.
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