[Konvas] Anamorphic film gate size

[steve beverly]

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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> >> Please be kind when replying and crop the replied message!!!
> >
> > ------------------------------------------------------------------------
> >
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> >   
> 
> _______________________________________________
> Cinema mailing list
> Cinema at konvas.org
> http://konvas.org - All about Konvas, Kinor and other Russian Cinema Cameras
> 
> Be sure to Check out the online Forums:
> http://konvas.org/forum/index.php
> 
> Visit the discussion archives:
> http://konvas.org/list-archives.html
> 
> Join the Konvas Discussion List:
> http://konvas.org/mailman/listinfo/cinema_konvas.org
> 
> Please be kind when replying and crop the replied message!!!

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