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Canon XH A1 - 25F Modus - Zittern - Stottern,

Canon XH A1 - 25F mode - tremor - stuttering, "shakes"?



Frage von Shalveon:
August 2007

Hello everybody,

there is always something so hard putting it in words - but the problem is with the recorded video with the Canon XH A1 very clearly visible.

Undzwar in 25F mode swivel camera recorded through a room.
Shutter (exposure time) is at 25 - what the 'Ruckelproblem "is recommended so that the motion blur solves the problem.

Now no preference with which I record Shutter whether 1 / 25, 1 / 50 or 1 / 250 images (especially vertical lines) to tremble at the swing.

The swing itself is very slow as synonymous times faster - it is always especially in vertical lines visible tremor can be seen - as they would be out very quickly and herspringen. Also visible on the page at a test recording of an active forum member (name omitted):)

In 50i mode, this problem is not visible.

My question now: Kamma as mach'n watt?
I have all sorts of settings durchprobiert - I know next net - so I ask YOU. : o)

I do the very 25F mode and only wanted to film in this mode - looks great from synonymous - until called exception.

Best wishes and hoping to get your feedback

Shalveon



Antwort von Shalveon:

Note: The remaining settings do I in the M (manual) mode. Maybe not automatic - except the White Balance - is mostly on the car.

Aperture, focus, etc. manual. ND filter according to the needs as well.



Antwort von Shalveon:

And once again forgot something:

The play takes place directly s.einem normal PAL TV instead.
Say the analog red, white and yellow input.

Recording, however, was in HDV - somehow, this will runterskaliert. Could it be due?

Best Regards

Shalveon








Antwort von Axel:

Basically, is bucking the disadvantage of 25p compared to 25i (= 50p). To avoid any misunderstanding emerges: It is a bucking, as we are all of cinema, and their representation on Purchase DVDs know. Once again, I link "Cocoas" clip here. However, there is a synonymous Jerkiness, simply a lack of preset for 25p, which is hidden in 50i, comes, see here. This clip (> save as) dates of
www.fxsupport.de
For Release 2,
http://www.adobe.com/support/downloads/detail.jsp?ftpID=3408
the default is required.
For 25p, there is, as with analog film, two ways to move the Camera: Very fast and very calm.
The optimal shutter is 1/50tel, you need nothing else at 25p. Everything else looks so unnatural or so off (too much or too little motion blur).
With the TV or the connection has nothing to do. Only that on Composite neither progressive nor HD pictures are transmitted. But the movement of representation should be uneven. However, I have no footage from the camera on "video" is played on a tube.



Antwort von Shalveon:

Hello Axel,

Cocoa of the video, I already knew, it had me on the advice of your way but once again from this point viewed.
And indeed - the walls - or their vertical edges just tremble. Only I might otherwise not noticed.

So does that mean in plain language that I have a 50p camera needed for this effect to disappear?

I am this "trembling" previously synonymous never noticed in movies - DVDs are not synonymous. How can the then disappear as well?

Do I need this file Adobe preset synonymous with Premiere CS3 or is there already implementert?
I can only select HDV1080/25p - no 25f.

Best Regards and thank you

Shalveon



Antwort von Shalveon:

Axel synonymous what I did in another post of you read and do not want to stir a lot of wind here.
Would you be right if we times via e-mail could replace what the topic is concerned 25F? 'm New to the field and I would look huge to learn something.

My email is

Thx in advance



Antwort von Axel:

The preset in CS3 it should work. 50p instead synonymous 50i, you can take if you bucking the very disturbed. For opponent and keep my opinion here is fairly balanced.
What one does in film, the unremarkable Jerkiness to make? Well, it swivels as I said slowly. It is not synonymous, it is not noticeable on DVDs, it depends with the size of the image together. The bigger the picture, the more obvious it becomes. Download the clip Cocoa times down and pull the picture smaller, you will hardly see it.

Only when you first transition is progressive, noticed it themselves outsiders, it is no preference to know the lifetime of shooting.



Antwort von vicky:

In Premiere CS3, however, only a 25P mode choice.
From 25F unfortunately no trace.
Should I then just 25P in the project setting?

I guess I will be very reticent in pans need to keep - especially when vertical lines are close s.der Camera.
It is not anything as simple as it first looks. :-)




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