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General Photography
How to do panoramas 360 degree
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<blockquote data-quote="BackdoorArts" data-source="post: 165698" data-attributes="member: 9240"><p>If you just put your camera on a tripod head and spin it around you'll see that the image capture spot (the first element in the lens) does not remain in the same place but instead moves at a point anywhere from a couple inches to up to a foot in front of the pivot point. This is why all panoramas look accordianed when stitched together. Try it! Put your camera on the tripod, shoot a photo and then rotate the camera to the next position. The point at which light is received by the camera has now moved some distance from where it received the last photo, and it will do it again with each movement. So, when stitching occurs, the software must adjust for this by manipulating perspectives and sizes to make everything match, which is why you get top and bottom bowing.</p><p></p><p>But, if you use a tripod mount that allows the camera to be shifted back to a point where the first lens element is now directly over that pivot point, as you rotate the camera the capture point does not change, only the view does. A Gimbal head like this one greatly facilitates this.</p><p></p><p><img src="http://az163874.vo.msecnd.net/143c9f515cff4d86ab6f0969faac3792/Images/Products66438-1300x1300-659874.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Is it absolutely necessary? No. You'll just need to plan accordingly. But if you're doing internal architecture there's often nothing "extra" high or low that you want to cut out, so this is where a head like this is your friend.</p></blockquote><p></p>
[QUOTE="BackdoorArts, post: 165698, member: 9240"] If you just put your camera on a tripod head and spin it around you'll see that the image capture spot (the first element in the lens) does not remain in the same place but instead moves at a point anywhere from a couple inches to up to a foot in front of the pivot point. This is why all panoramas look accordianed when stitched together. Try it! Put your camera on the tripod, shoot a photo and then rotate the camera to the next position. The point at which light is received by the camera has now moved some distance from where it received the last photo, and it will do it again with each movement. So, when stitching occurs, the software must adjust for this by manipulating perspectives and sizes to make everything match, which is why you get top and bottom bowing. But, if you use a tripod mount that allows the camera to be shifted back to a point where the first lens element is now directly over that pivot point, as you rotate the camera the capture point does not change, only the view does. A Gimbal head like this one greatly facilitates this. [IMG]http://az163874.vo.msecnd.net/143c9f515cff4d86ab6f0969faac3792/Images/Products66438-1300x1300-659874.jpg[/IMG] Is it absolutely necessary? No. You'll just need to plan accordingly. But if you're doing internal architecture there's often nothing "extra" high or low that you want to cut out, so this is where a head like this is your friend. [/QUOTE]
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