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The purpose of the forest panorama was to have a photo of nothing much in particular - just compact forest, with no trails or other interruptions. I wanted it to be as close to a representative sample of one of the kind of forest that you find in Tyresta. It also had to be pretty to look at. I finally found this spot that satisfied both requirements.
I shot the panorama hand-held using a Sigma 10-20mm lens. I used 20mm for the horizon, and switched to 10mm for the top and bottom. While shooting hand-held always means more work when stitching, this time it turned out to be a nightmare. While the forest floor worked out all right - more or less, but who will ever see the difference - the part with tree trunks silhouetted against the bright sky turned out to be a lot more difficult. If the details on the forest floor won't line up properly, the image blending will take care of it. There is so much visual noise in the region that the seam line can be hidden well. But the trunks provided a challenge: A straight tree trunk that suddenly veers off in another direction, or one where the trunk abruptly shifts to one side; those are elements that jump out at the viewer.
The panorama was finished with a couple of hours in Photoshop. Patches were copied, stretched and distorted to cover up the stitching errors. Would a panoramic tripod head have made it easier? Undoubtedly. But the tops of the trees were swaying in the wind, so even if I had carried my Nodal Ninja Mk. III it would have come down to 'shopping.