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Re: Coments re: Film Reg.
Hans Lehmann wrote:
> As has been stated in this thread while Michael was out of
> town, the Sony telecine uses an intermittent-motion film
> transport. The greatly simplifies the scanning process
> to determine the misregistration of the film.
That being the case, definately.
> The capacitive sensors don't have any real 'density' in the
> way that a CCD array has 'density'.
> The film is allegedly scanned in 8 places per film frame,
> which would probably mean a total of 16 sensors (one each
> for X & Y position detection for each film performation).
> The varying proportion of air -vs- film stock within the
> gap of each sensor changes the dielectric constant of the
> capacitor formed by the gap, which is easily converted
> into a error signal.
> The moving glass used to reposition the image doesn't
> need to move very quickly in this application.
Yes. As long as it's finished during vertical.
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