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This topic comprises 5 pages: 1 2 3 4 5
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Author
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Topic: 2001 A.S.O. - DTS discs compatible between 35 and 70mm?
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Jean-Pierre Gutzeit
Film Handler
Posts: 43
From: Berlin, Berlin, Germany
Registered: Nov 2012
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posted 09-27-2018 05:42 PM
The collection of advertisements and the discovery of the listing of the Cinerama Association is extremely appreciated and helpful.
Based on that, we will have to add more additions, discoveries and corrections in the future - that's why film-tech.com is a suitable forum.
Specifically, I would like to advertise, despite the ads "in Cinerama" for various film titles such as THE GREAT RACE, SONG OF NORWAY, CIRCUS WORLD or 2001 urgently to change this wording.
Because the following is to ask: What sets the "70mm projections advertised in Cinerama" from other 70mm projections in Todd AO or D-150 houses on 120 degree or 100 degree screens?
Technically, and for the viewer, it is the same result. There was nothing extra added to the "advertised in Cinerama" projection. Except for the red-anodised 70mm projection optics of Cinerama Inc., which mostly represented the house optics in the cinemas converted or operated by Cinerama Inc. But also in terms of this look, I know no big difference to Todd AO optics of Isco Göttingen (T-Kiptagon) or Philips (Cine-Apergon). Thomas Hauerslev has probably completely archived them and could name any differences. To my knowledge, the 70mm optics offered by the Cinerama Inc. are spherical optics without special corrections of the image geometry. A little different is the D-150 optic, which variably stretches the edges of the image: a great invention of Mr. Vetter, but here too, the ad promises "in D-150" in the reason the same as a high quality normal Todd AO Projection at 120 degree screens.
It would therefore have to explain why the image impression of a 70mm film, for example in the Uptown Theater in Washington D.C. (World premiere of "2001") should have been completely different than at the time when a Todd AO screen was installed in Grauman's Egyptian Theater?
One could also claim that the two world premieres of "2001" in Washington and New York were not seen "in Cinerama" but "in Todd-AO". At First, because the image impression was similar or the same, and secondly, because "2001" was partly shot with optics and cameras by Todd A.O. - but not with systems from the Technology Park of Cinerama Inc.
If one tries to rewrite the dilemma, such a sentence could come out as follows: "2001 had its 70mm premieres also in houses, which were built or operated by the Cinerama Inc. and therefore had a comparatively strong curvature of the screen".
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Some supplements to the list http://www.in70mm.com/cinerama/ics_newsletters/cinerama_theatre_list_18.pdf:
- "Krueger Halle" in Essen (has to corrected to "Gruga-Halle")
- For the Capitol Berlin appear 70mm projections only after the end of the 3-stripe projections. Correction: they ran at times alternately.
- Schauburg Karlsruhe is missing on this list as one of the last 70mm Cinerama conversions.
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