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609
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23
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Closed
Problem 1
While I was on the road from Leadville CO to Albuquerque NM, I stopped at a mountain lake and lacking a sufficiently wide angle lens (a lack which I’ve more-or-less just remedied on eBay), I stood in one spot and turned around slowly, taking several pictures at about 30 degrees apart. When I got home I installed the new Photoshop CS2 which had been sitting on the desk for 3 weeks because everything else I had to do was adequately taken care of with the ancient 5.5 version.
Anyway, when I went to stitch the pictures together, on the first try with all 6 images the program actually got the order wrong. I did it again, this time only using the first three to make one composite and the last three to make a second, intending to then join these. Before I did, however, I noticed that there’s are two diagonal bands where — presumably — the images were joined and there’s a very (to my eye anyway but not to most other people) definite discontinuity in the image brightness.
1. What’s causing this?
2. What’s the best fix now that I have the images and can’t retake the pictures?
3. Is there anything I could have done while taking the pictures to avoid this?
Problem 2
I also took, panorama-style, 6 photographs of an old steam locomotive. But I was fairly close, maybe 20′ away, and using a very wide angle lens (19mm on a 35mm DSLR) and the resulting image is distorted because the center section — the one closest to me — is much larger than the ones on either side. Am I correct in thinking that this is definitely not the way a close-up panorama should have been taken, i.e. rotating around a single point, and rather that I should have walked side to side with the camera at the same distance and same angle to the subject for each shot?
Thanks in advance for all hints, links, URL’s suggestions, and even constructive flames.
Norm
While I was on the road from Leadville CO to Albuquerque NM, I stopped at a mountain lake and lacking a sufficiently wide angle lens (a lack which I’ve more-or-less just remedied on eBay), I stood in one spot and turned around slowly, taking several pictures at about 30 degrees apart. When I got home I installed the new Photoshop CS2 which had been sitting on the desk for 3 weeks because everything else I had to do was adequately taken care of with the ancient 5.5 version.
Anyway, when I went to stitch the pictures together, on the first try with all 6 images the program actually got the order wrong. I did it again, this time only using the first three to make one composite and the last three to make a second, intending to then join these. Before I did, however, I noticed that there’s are two diagonal bands where — presumably — the images were joined and there’s a very (to my eye anyway but not to most other people) definite discontinuity in the image brightness.
1. What’s causing this?
2. What’s the best fix now that I have the images and can’t retake the pictures?
3. Is there anything I could have done while taking the pictures to avoid this?
Problem 2
I also took, panorama-style, 6 photographs of an old steam locomotive. But I was fairly close, maybe 20′ away, and using a very wide angle lens (19mm on a 35mm DSLR) and the resulting image is distorted because the center section — the one closest to me — is much larger than the ones on either side. Am I correct in thinking that this is definitely not the way a close-up panorama should have been taken, i.e. rotating around a single point, and rather that I should have walked side to side with the camera at the same distance and same angle to the subject for each shot?
Thanks in advance for all hints, links, URL’s suggestions, and even constructive flames.
Norm
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