Am 05.09.2011 16:29, schrieb paul womack:
Further, even if you were to be using your zoom at a longer
setting, you're likely to be further from your subject,
and thus the parallax error will (probably...) be
acceptable.

Even at same subject distance the same NPP displacement will give you smaller parallax errors for longer focal length because the rotation angle will be smaller.

You can calculate the expected parallax error using the formula from http://wiki.panotools.org/Parallax#Calculation

--
Erik Krause
http://www.erik-krause.de

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