Choppy/Non-Fluid movement on export

I am in PAL land.
I am having a problem with output of footage. I have also seen this problem on broadcast stories on the news occasionally and cannot seem to put my finger on what the issue is or what it is called.
Please see this example Video 720p on Vimeo Notice the pan is not smooth. It is choppy/jittery?? However the original footage is perfect. I thought it was an interlace problem but the footage is progressive, or rolling shutter but it is not on the original footage. So i have no idea what it is called or what it is that is causing it.
The footage is shot with a Sony HDV Handy cam in AVCHD. 1080 50p. Put on the sequence time line with those exact settings. No effects no alteration in the footage at all. I export the footage in H.264 MP4. I have tried 720p 25 & 1080 25p. They both show this non fluid/choppy pan. I can't quite work out what the cause is. I believe, from what I have read, that it is fine to edit on the time line with the original settings of 1080 50p then just export in 25p. So if that is not the cause of the issue, ? I have no idea what is.
I would love to know what causes this by an educated user. As I said, I have put up with this on many of my projects and also seen in on news clips from time to time?
Any advice on what it is and how to correct it would be greatly appreciated.

I have never seen anything like this at all. I also would try this with a mouse and see if it is related to the trackpad. A good resource for help from Adobe is to use the Adobe Customer Care page on Twitter. Those guys are amazingly fast to respond and have been a super help to me a few times in the past. If anyone can help, it is them. https://twitter.com/Adobe_Care

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Choppy/zig-zagging movement on zoomed-in image?

1-week-old MacBook Pro - Non-Retina - OSX 10.8.2 / 2.6GHz Intel Core i7 / 8GB RAM / 750GB HD (currently 522GB free space)
I initially discovered my issue in Photoshop CS6, but just installed the trial of LR 4.2, as well as 4.3RC, to see if the problem persisted, and it does. My problem is choppy/zig-zagging movement when moving around (two-fingered scrolling using my trackpad) on a zoomed-in image. Here's a video capture of the problem in Photoshop - and it does the exact same thing in LR. I did post yesterday in the Photoshop forum but didn't get any advice other than to use a mouse instead of a trackpad...so helpful. http://www.youtube.com/watch?v=yyRBUiDjavM&feature=youtu.be The image in this video is just a jpg, quite small in file size.
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(here's my other post, with more detailed information - http://forums.adobe.com/message/4841306)

I have never seen anything like this at all. I also would try this with a mouse and see if it is related to the trackpad. A good resource for help from Adobe is to use the Adobe Customer Care page on Twitter. Those guys are amazingly fast to respond and have been a super help to me a few times in the past. If anyone can help, it is them. https://twitter.com/Adobe_Care

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http://discussions.apple.com/thread.jspa?threadID=1356500&tstart=31
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I am looking for a workaround:
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2) A way to "convert" / re-head mov file after exported so that it displays corrrectly (inverse-anamorphicize) so that iDVD reads it correctly
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In the Preview window > top frame > middle button
do you have correct for pixel aspect ratio checked or not?
!http://i533.photobucket.com/albums/ee340/gogiangigo/Picture1-4.png!

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I have a sequence with the following settings under Sequence-> Settings:
1920x1080
HD-TF 1080i (19:9)
Pixel Aspect Ratio: Square
Field Dom: None
Editing Timebase: 29.97
QT Video Setting: Apple ProRes 422
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this might be helpful, . . . this is the info on the rendered Ref movie
* MediaInfo Mac // Plain text file report
2009-07-17 12:19:00 -0400
Information for File: cf-pitt-tester-qt-ref-rendered.mov
General / Container Stream # 1
Total Video Streams for this File -> 1
Total Audio Streams for this File -> 1
Video Codecs Used -> apcn
Audio Codecs Used -> PCM
File Format -> MPEG-4
Play Time -> 1mn 27s
Total File Size -> 16.1 MiB
Total Stream BitRate -> 1 546 Kbps
Encoding Library -> Apple QuickTime
Video Stream # 1
Codec (Human Name) -> Digital Video
Codec (FourCC) -> apcn
Frame Width -> 1 920 pixels
Frame Height -> 1 080 pixels
Frame Rate -> 29.970 fps
Total Frames -> 2622
Display Aspect Ratio -> 16/9
QF (like Gordian Knot) -> 2.360
Video Stream Length -> 1mn 27s 487ms
Video Stream BitRate -> 147 Mbps
Video Stream BitRate Mode -> VBR
Video Stream Size -> 1.49 GiB
Date of Original Encoding -> UTC 2009-07-17 12:51:36
Audio Stream # 1
Codec -> PCM
Codec (FourCC) -> sowt
Audio Stream Length -> 1mn 27s 487ms
Audio Stream BitRate -> 1 536 Kbps
Audio Stream BitRate Mode -> CBR
Number of Audio Channels -> 2
Sampling Rate -> 48.0 KHz
Bit Depth -> 16 bits
Audio Stream Size -> 16.0 MiB (99%)
Date of Original Encoding -> UTC 2009-07-17 12:51:36

Choppy/Non-Fluid movement on export

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