MonkeyClicker

I am new to the world of HDR Photography and I am trying to make my first HDR Photo in photoshop CS2.  But I keep getting this error.

There is not enough dynamic range in these photos to construct a useful HDR image.

Any Ideas?

This error is usually b/c you tried to use the same file with different brightness or contrast settings (to fake multiple exposures) saved multiple times.  This does not work, I have tried it.  You have to actually take multiple pictures with different exposure settings on the camera for this to work.  Some cameras have a bracketing feature that take extra pictures 2 stops up and 2 stops down to fascilitate this.  Otherwise you have to do it manually.  If my explanation is confusing, here is the info from the Adobe site.


Issue

When you use the Merge To HDR command, Adobe Photoshop returns the message, "There is not enough dynamic range in these photos to construct a useful HDR image."

Detail

The images were created by saving a single camera raw file multiple times with different exposure settings.

Solution: Apply Merge To HDR to multiple images taken at different exposures.

For more information about the Merge To HDR command, see The Merge To HDR Command in the Photoshop Help.

Background information

A single camera raw file does not contain enough dynamic range to generate a High Dynamic Range (HDR) image. Changing the exposure setting changes the relative brightness of the pixels, not the exposure value of the entire image.

Photoshop uses the exposure values in the EXIF data in image files, if available, to determine if there is enough dynamic range to generate an HDR image.

Here is a link to getting started in HDR Photography.

http://www.howtotakehdrphotos.com/

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