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Posted by Bill Farnsworth on 10/18/06 07:01
"Powell" <nospam@noquacking.com> wrote
> I'm interested shooting a video segment from a J3 Cub. I
> need a vertical shot and one looking forward and down
> over a designated course. In order to have a stable
> platform I'm considering fabricating a box slung below
> the aircraft.
>
> Question: Is this doable? Can the vibration be dampened
> enough for a stable shot, particularly the vertical shot at
> near maximum zoom. Is there software available which
> can help stabilize vibration induced picture jitter?
>
> Is there a better approach to this problem or an equipment
> source or DYI plans for this specialized application?
> Budgeting less than $300 for equipment or materials used
> in fabricating camera mounting.
>
First off. Are you talking about the full size aircraft? Or, a large
scale model?
I would imagine that you're gonna have to file a FAA form 337 and have
your mount approved. (But you probably already know that)
Without knowing what camera and lens you are planning on using it is
hard to tell how bad the vibration will be.
But generally speaking, even flying a bit above stall speed (you gotta
love the cub) there is not going to be a whole lot joy found at the
long end of the lens. Even a consumer camera with Steady shot is going
to fail miserably. Granted, the high freq. vibrations will be
eliminated, but oscillations of more than four or five inches off the
lens center axis in any direction is going to look like...............
crap.
Yeah, there is some software that can take out some bounce. But at the
long end of the lens it is asking way too much.
However, if you are willing to have the footage slowed down and
digitally stabilized, then you might get some stable footage.
Or, if you are using a profession grade camera, you can rent a Canon
lens stabilizer and get great results. Or, a Schwemm Gyrozoom.
Better approach?
Bolt the camera directly to an external hard point and run a video
feed and LANC control back into the cockpit. And don't shoot full
zoom.
Bill F.
www.billfarnsworthvideo.com
former rep for Tyler Camera Systems ('81~'85)
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