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» Film-Tech Forum   » Operations   » Large Format Forum   » Imax 15/70 Maximum Run-Time

Author Topic: Imax 15/70 Maximum Run-Time
Mark Lensenmayer
Phenomenal Film Handler

Posts: 1572
From: Upper Arlington, OH
Registered: Sep 1999

 - posted 08-28-2009 07:48 PM      Profile for Mark Lensenmayer   Email Mark Lensenmayer   Send New Private Message       Edit/Delete Post 
Is the current maximum running time for a 15/70 Imax film 160 minutes? (Due to maximum platter size)

There are rumors that James Cameron is concerned about this as AVATAR might run longer so a special cut-down edition may be necessary for Imax film locations.

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Charles Phillips
Film Handler

Posts: 39
From: St. Charles, IL
Registered: Jul 2004

 - posted 08-28-2009 09:00 PM      Profile for Charles Phillips   Email Charles Phillips   Send New Private Message       Edit/Delete Post 
Using a 70.2" platter the most is 158 minutes.

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Bobby Henderson
"Ask me about Trajan."

Posts: 10553
From: Lawton, OK, USA
Registered: Apr 2001

 - posted 08-28-2009 11:35 PM      Profile for Bobby Henderson   Email Bobby Henderson   Send New Private Message       Edit/Delete Post 
Why is Avatar even getting an IMAX release? The freaking movie is shot with dual HD video cameras, not 15/70 format film. I haven't seen the specs on the cameras Cameron has used to make his new movie, but it wouldn't surprise me if the native resolution isn't any better than the usual 1080p/2K stuff. There is ABSOLUTELY NO NEED to blow up that kind of material to IMAX. An all "digital" movie just needs to be confined to those fake, oh I mean "digital" IMAX movie theaters.

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Sean Weitzel
Jedi Master Film Handler

Posts: 599
From: Vacaville, CA (1790 miles west of Rockwall)
Registered: Dec 1999

 - posted 08-29-2009 11:39 AM      Profile for Sean Weitzel   Email Sean Weitzel   Send New Private Message       Edit/Delete Post 
Ghosts of the Abyss was shot in 3d HD and I thought the 15/70 blowup looked pretty good. I'd rather see a blowup on a giant imax screen than a digital projected version on a small imax screen.

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Adam Martin
I'm not even gonna point out the irony.

Posts: 3632
From: Dallas, TX
Registered: Nov 2000

 - posted 08-29-2009 12:51 PM      Profile for Adam Martin   Author's Homepage   Email Adam Martin       Edit/Delete Post 
Ghosts of the Abyss was underwater, which helped hide a lot of the video artifacts and resolution issues. 3D would also help hide these.

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Caleb Johnstone-Cowan
Jedi Master Film Handler

Posts: 593
From: London, UK
Registered: Mar 2006

 - posted 09-01-2009 05:11 PM      Profile for Caleb Johnstone-Cowan   Email Caleb Johnstone-Cowan   Send New Private Message       Edit/Delete Post 
Is that run time for Avatar including the credits? With Watchmen the DMR version has a truncated credits sequence to get under 160 minutes.

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Julio Roberto
Jedi Master Film Handler

Posts: 938
From: Madrid, Madrid, Spain
Registered: Oct 2008

 - posted 09-01-2009 05:34 PM      Profile for Julio Roberto     Send New Private Message       Edit/Delete Post 
Cameron said the editing for Avatar was complete, so someone knows the answer to this.

BTW the 3D in Ghost of the Abyss was ... abysmal, with just about every error in the book of stereoscopy made, from diverging parallax greater than 2.5" to excessive parallax ... including VERTICAL.

Cameron did the same thing that Coppola did in Captain EO: pretend he knew what he was doing while actually having very little idea. The two HD cameras that he used, in a shooting-forward configuration like he had, could never get close enough to remotely simulate natural interocular. Everything was hyperstereo.

What happens is that there is a number of people "3D happy" that can fuse just about any stereo pair you throw at them. These people think just about any 3D is great: the more, the better.

Cameron is probably one of those.

What happens to these people is that they don't realise 90% of the population don't see what they are seeing. They are seeing a double image when the parallax is too great, specially if other defects occur, such as ghosting or vertical parallax.

Anyway. I'm sure some stereographer supervising Avatar will make sure Cameron doesn't go beyong spec with this as he did with Ghost's.

I hope, or we'll be seeing a lot of customers complaining.

With Ghost of the Abyss, a lot of people I saw at the Imax preferred to take their glasses off and just watch the double image ...

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Joe Tommassello
Jedi Master Film Handler

Posts: 547
From: Coatesville, PA, USA
Registered: Jan 2008

 - posted 01-22-2010 02:14 PM      Profile for Joe Tommassello   Email Joe Tommassello       Edit/Delete Post 
The "Avatar" credits were the full-length credits on the 15/70 IMAX prints. I saw it at the UA King of Prussia in PA. The left eye print had two brief slugs where damage had occurred. Otherwise the presentation was perfect. My uncle - who had previously seen it in digital IMAX - said the film presentation was much better.

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