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I tried some,got exposures right

but because the camera wasn't absolutely level,the perspectives/barelling were too much to stitch together properly.Some day I might get a tilt-shift lens

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CanonCaliber A big bore, Mon 12 Jan 2009, 9:39, archived)

It's all down to the pivot point (nodal point of the lens) of the camera

a lot of people simply mount it on a tripod and pan but the pivot point is therefore directly under the camera and will cause distortion. There are brackets that you can attach to the tripod to ensure the pivot point is directly under the lens and not the camera body.
www.360rage.com/panorama-hardware-item.php?i=9
en.wikipedia.org/wiki/Panoramic_tripod_head

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maiden is filmed before a live studio audience, Mon 12 Jan 2009, 9:47, archived)

Thanks for the link

at @ £100 I think I'll DIY one as its only 3 bits of metal.I had planned to use a spirit level against the lens front the next time, but all this will have to wait for the next summer trip to the lake district

Edit.....The laser level is a great idea, They're sometimes dead cheap in places like Aldi etc

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CanonCaliber A big bore, Mon 12 Jan 2009, 10:07, archived)

There you go - cheap as chips

www.dcenet.co.uk/malco/360/technical.htm
I'm sooo bookmarking that page

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maiden is filmed before a live studio audience, Mon 12 Jan 2009, 10:09, archived)