Eye of the Cave Panorama

This is a panorama view from behind Upper Horsetail Falls in the Columbia River Gorge. I shot the panorama in fourteen vertical photos, with each capture a RAW file translated at the default 16-bit settings via ACR to 4912 X 7360 pixels (roughly 36MP) at 300 ppi.

I used a tripod with a regular ballhead, in other words there was no effort to swivel around the nodal point, and varied the exposure for each shot. As you can see, there is a great deal of difference in dynamic range between the bright water falls, and the dark cave walls. So exposures varied at f/22 and ISO 64 from 10 seconds (for the cave walls) to 0.6 of a second (for the water fall).

Eye of the Cave © Harold Davis
Eye of the Cave © Harold Davis

I stitched the fourteen images together in ACR and Photoshop, and after merging, cropping, and tweaking came up with a file sized at 19,746 X 6695 pixels at 300 ppi in a horizontal format. I am pleased that my production computer made fairly short work of the large files involved in the extensive processing of this panorama. Obviously, at some point I can make a mural sized print from this file with good resolution. In the meantime, you can see the panoramic image a little larger by clicking on it.

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