[Konvas] Anamorphic film gate size

[t byrne]

That's worrying--they should have virtually identical mechanisms.  Can 
you post a picture or two?

steve beverly wrote:

> I have a question, IS the 35C full aperture or is it suppose to have a 
> removable gate? I can't seem to be able to find an actual gate on mine 
> and it's not like it should be hard to find. The mechanism is not as 
> similar to the 35H as I thought it would be and although I am fairly 
> certain it is a full aperture camera, I'd like to know for sure as I 
> am also planning on shooting anamorphic on this next film. Thanks-Steve B)
>
> > Date: Wed, 18 Feb 2009 12:34:39 -0500
> > From: konvas at smallpony.ca
> > To: cinema at konvas.org
> > Subject: Re: [Konvas] Anamorphic film gate size
> >
> > I should point out that Bruce probably meant 1.178:1, and not 
> 1.78:1, in
> > case anyone is wondering what is wrong with their calculator.
> > Cheers,
> > Sean
> >
> > Bruce McNaughton wrote:
> > >
> > > Dear Kelly
> > >
> > > The ASA standard aperture for anamorphic is 21.9 X 18.59 (.864 X 
> .732)
> > > This gives you an aspect ratio of 1.78:1 which is stretched 2:1
> > > giving a final ratio of 2.356:1
> > >
> > > We take the gate out to 18.7 which helps a little with dirt etc along
> > > the edge of the picture. Splicing is not an issue with the higher
> > > image because the projector aperture is 21.28 X 17.78, masking the
> > > final image.
> > >
> > > Regards
> > > Bruce
> > > The aranda group
> > > Melbourne
> > > http://www.arandafilm.com.au
> > >
> > >
> > >
> > >
> > >
> > >
> > > On 18 Feb 2009, at 19:23, Kelley Cross wrote:
> > >
> > >> Hello all,
> > >>
> > >> I have a Kinor 35C and am prepping to shoot tests with my newly
> > >> acquired round front anamorphics. The gate I have (academy)
> > >> currently measures approximately 22mm x 16mm ( .866 in. x .630 in.)
> > >> I’m told that the default aperture size for the modification is to
> > >> enlarge the vertical aperture of the gate to 18.7mm. This is
> > >> confusing to me as the current aspect ratio for Panavision and most
> > >> anamorphic film gates is .825 x .690. I understand that the width of
> > >> the gate at +-22mm is a lock and will more that likely be slightly
> > >> matted or eclipsed by the optical sound track, but if the gate is
> > >> vertically enlarged to .736 (18.7mm) isn’t that grossly over doing
> > >> it—besides encroaching real estate for splicing. In addition, the
> > >> math isn’t adding up for me. If the current aspect ratio for
> > >> anamorphic is 1.19:1, then in relation to 22mm, wouldn’t the
> > >> modification be closer to +-18.48mm?
> > >>
> > >> Just curious if someone out there has possibly addressed some of
> > >> these issues and could relate some helpful advise before I have my
> > >> engineer start cutting up my camera.
> > >>
> > >> Thanks,
> > >> Kelley Cross
> > >> www.julysun.com <http://www.julysun.com>
> > >>
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> > >>
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> > >
> > > 
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