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Upper Mclean falls with rainbow

This is a panorama created from 5 sets of 7 exposures due to the extreme dynamic range present in the scene. The waterfall at 22m is actually much taller than the panoramic projection would give one to believe. There was direct sun hitting the water and patches of moss, but the bottom of the waterfall was in deep shade, hence the way I went about capturing this with HDR technique.

 

For the lower segment I have rotated my circular polariser 90 degrees to capture rather than remove the rainbow - I also shot the same with the orthogonal setting, but didn't bother merging that in - so some of the glare from the lower rocks remains just because I was lazy.

 

I found myself adjusting my bracketing range as I moved up the waterfall - I believe this was because I was refocussing as I went up else I wouldn't have had everything in focus even at f/11 (and with a 10-stop ND filter, I simply couldn't see to focus without either removing the filter, or bumping up the live view exposure compensation more than 4 stops, and likely forgot to put it back before taking the next bracket), rather than to overcome any limitation with dynamic range 7 stops would probably have been plenty.

which I learned is not. The result was lightroom refusing to do an HDR pano blend, so I merged each set to DNG, then merged these into a panorama, and it all worked fine as lightroom still made the necessarily exposure adjustments.

 

Processed with AuroraHDR, Luminar, and finally Photoshop (with Lumenzia).

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Uploaded on April 23, 2019
Taken on December 27, 2018