"Laurence Payne" wrote in
message ...
On Tue, 12 Apr 2005 22:34:24 +0100, Stuart McKears
wrote:

IIRC, the basic reason is that LP is reading/writing the same
amount of data
onto a smaller piece(length) of tape. Errors of any sort - data,
head alignment
and/or tape defects - are all magnified. The camera software will,
I suspect,
have built in error correction routines for things like head
alignment which are
marginally incompatible with other cameras.

I suspect the first half of your reply is accurate. The second half
is fanciful.

But they do, otherwise any pre-recorded tape would have problems
(regardless of tape speed or make!

IIRC it's called something like tracking and has been automated for a
good few years now....