Re: Can an anamorphic movie still looked vertically stretched when projected with an anamorphic lens?

Unsquoze. That word's going straight in my dictionary.
"Harry Chickpea" <hchickpeaREMOVEME@xxxxxxxxxxx> wrote in message
news:431ec807.12474682@xxxxxxxxxxxx
> Martin Hart <namewithheld@xxxxxxxxxxxx> wrote:
>
> >In article <1125725561.474784.326900@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
> >lchiu7@xxxxxxxxx says...
> >> I recently viewed The Island at a local theater. The AR for the film
> >> is 2.35:1 I think (though not sure how it was shot). I noticed during
> >> the movie that while it looked like the right lens was being used for
> >> projection, the faces of the actors looked a bit stretched vertically,
> >> as if the projection lens wasn't quite stretching the image on the film
> >> properly.
> >>
> >> I spoke to the projectionist and he assured me that an anamorphic lens
> >> was being used (though didn't say what manufacturer). Clearly it must
> >> have been, else the picture would have looked very squeezed
> >>
> >> Is it possible to have lens that is not quite right and so this
> >> situation occur or am I imaging it! We both agreed that the distance
> >> from the lens to the screen was not relevant not the distance from the
> >> lens to the plate
> >>
> >
> >I can't think of anything, using modern lenses, that would cause this
> >effect in projection. If there was not an anamorphic lens in use it
> >would be very, very obvious. It just might have been one of those days
> >when you get an idea into your head and convinced yourself that things
> >looked squeezed.
> >
> >Now someone can post something that totally explains how this happened.
> >I'd be interested in hearing it myself.
> >
> >Marty
>
> The older lenses were actually prism attachments placed in front of
> the prime lens. As such, they were adustable. You could make actors
> skinny or fat. (Quite a cool effect the first time you play with it.)
> I'm guessing that the theatre doesn't have one of these - although if
> it is an old theatre anything is possible. The lens might still be
> used because masking can't be corrected easily, etc.
>
> The geometry of some theatres can also be a factor. Too often a
> projector port is not centered, but has to sit far to the left or
> right because of architectural considerations. If the throw is short
> or the booth is high, you add keystoning to that. On a scope picture,
> the lens may have to be slightly twisted in the barrel to make the
> credit roll have horizontal lettering. Sometimes the projectionist
> will consider the bottom of the screen to be the important place for
> the horizontal line, since this is the most obvious to a customer
> reading the credits. This might have a minimal "squeeze" effect, as
> the image is not being unsquoze in the proper manner.
>
> Lenses are also designed to fit a particular projector to screen
> distance. There is leeway, but if someone mixed and matched
> anamorphic elements and prime lenses, or recycled a lens from a
> different theatre, there could be problems.
>
>


.

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