From: Cian (email suppressed)
Date: Sat Jan 03 2004 - 14:38:42 PST
The extremely useful (and free) piece of software,
avisynth, has a couple of filters for helping with
this. One of these removes the stutter that comes from
videoing at a different shutter speed, to that of the
film (if you're forced to). The other deals with the
common problem of bloom.
Check this site for more details:
--- Ruben Guzman <email suppressed> wrote: >
Here're some tips for home-made telecine. I hope it
> helps.
>
> SHUTTER SPEED. That will depend on the projector
> you're using. As a general rule, I've successfully
> used 1/60 and even 1/75, when it comes to interlaced
> video. With some super-8 projectors, I was forced to
> use their variable spped.
>
> PARALLAX. It's the angle between the camera and the
> projector. Ideally, it should be kept to a minimum
> in
> order to avoid distortions. For this reason, I would
> suggest you do not place the camera close to the
> "screen". Also, placing the camera too close would
> make your focus more critical. Unorthodox use of
> parallax could be used to achieve a "deformed" 16:9
> ratio, by simply increasing the parallax angle.
> SCREEN. Even a regular 81/2 x 11 paper will do, but
> you may want to consider using a mirror at 45
> degrees
> and projecting THROUGH a frosted glass (preferably
> chemically processed to achieve a smooth, discreet
> texture) or good quality tracing paper. Thus, you
> can
> build your own "rear projector" using, say, an old
> shoe-box. It works, plus you can also enlarge
> portions
> of the frame by adjusting the distance between the
> projector and the mirror!!!
>
> COLO(U)R BALANCE. You should adjust it manually for
> better results.
>
> EXPOSURE. Do not get too far away from the screen,
> for
> you'll lose too much light, but do not get too close
> either (unless you're using the 45-degree mirror),
> to
> avoid the parallax problem.
>
> FOCUS. Follow the usual procedure: zoom in al the
> way,
> focus, and pull out to the desired frame. Do not use
> thick cardboard or 3-D objects, for focusing is
> critical.
>
> RATIOS. You'll have to adjust the video ratio to
> that
> of film.
>
> good luck,
> r.
>
>
>
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>
>
>
__________________________________________________________________
> For info on FrameWorks, contact Pip Chodorov at
<email suppressed>.
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__________________________________________________________________
For info on FrameWorks, contact Pip Chodorov at <email suppressed>.