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1. Still scenes work best. Since you are capturing different exposures of the same scene, any moving objects will appear "ghosted" in the merged image.
2. Use a tripod to ensure image alignment between the different shots.
3. Shoot at least 3 frames of the scene at different exposures -- at least 2 E.V.s apart to cover a greater dynamic range -- either with AutoExposure Bracketing, or by manually changing the shutter speed. If your "normal exposure" is 1/500 at f/5.6, shoot another one at 1/2000 at f/5.6 and the third at 1/125 at f/5.6 to get great detail in both the shadows and highlights.
4. Change exposure by changing shutter speed, not ISO rating or aperture (f/stop), as both of these exposure-altering methods can have a negative impact on the final image quality.
5. If you've got great detail in a single frame from your bracketed series -- with detailed shadows and highlights -- you may not need to merge the series. HDR really works best when it isn't possible to hold all the detail in a single frame.
6. Have fun and share your results in our forum!
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