Stitching panoramas

oROSSo

oROSSo

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Ross
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Dunno whether to put this in here or equipment but here goes.

When stitching a panorama that was taken on a normal tripod and head, once stitched gives a rugby ball kinda shape image that you can then crop into.

I went and bought a pano head and found my lenses nodal point (two candle sticks on a table technique) - when I stitched the images together I expected to get a more usual rectangular image but i was surprised to find the stitched image was more of a bow tie shape, meaning I still ended to crop into it.

Is this right or do I need to play about with the nodal point?
 
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The only information I can give is probably not much use but FWIW.

I don't use a pano head instead I rely on software alone to stitch images (PTgui). I have found that by keeping the horizon central throughout it gives a more or less perfect panorama. There still is a tiny bit of cropping to do, but very little, just a trim. Tilting the camera (even slightly) I have found causes the problem you describe.
 
This is why you need to apply Lens Correction in RAW first and then stitch the 16 bit TIFFs
 
Don't use a wide angle lens when shooting a panorama.
You'll get a better result by stitching several longer FL images rather than two or three Wide Angle shots.
 
I doubt it's t do with the tripod or nodal point - depends how you generated the pano. In PS if you select "cylindrical" you should get a pretty rectangular image. If you select the other options you often get the bow tie shape.

You could also check that the horizon is straight in the original images
 
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dandeakin said:
I doubt it's t do with the tripod or nodal point - depends how you generated the pano. In PS if you select "cylindrical" you should get a pretty rectangular image. If you select the other options you often get the bow tie shape.
Click to expand...

Dan, please do us all a favour and stop digging up old posts - this one was last posted to in june 2014 before you excavated it....
 
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