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Author
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Topic: Screen: Common Height or Common Width?
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Marcel Birgelen
Film God
Posts: 3357
From: Maastricht, Limburg, Netherlands
Registered: Feb 2012
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posted 04-28-2014 01:42 AM
quote: Marco Giustini
At least they show their films in Scope. I know a chain which installed such big flat screen, branded them and now show all their features so they fill up the screen, regardless of the original format.
#$%^&<censored>$#@@# !!!???
And nobody even notices when obvious stuff drops off screen? Like titles, the occasional subtitle and stuff like end credits?
quote: Terry Lynn-Stevens
This is not to save money at all. It is deliberate. It is done to take on IMAX and give off the perception that there is a larger screen.
IMAX is going nowhere fast around here. Some people might have heard of IMAX, but have either never visited a venue or still only remember it from the good ol' 15/70 days.
Yet, at least since the digital conversion, movable masking is on its way out and that's not because they're trying to knock off IMAX. No, they're just being cheap.
Digital projection has the distinct "advantage" of having clean, sharp edges around the picture. I have the impression that many people think that masking only serves this single purpose and therefore, is not necessary for digital presentations...
It's no news, but most people are just ignorant. I recently watched a scope presentation that failed to zoom in. Only after a complaint they fixed the issue, but nobody else seemed to notice that stuff wasn't right...
IMAX seems to have learned from the ignorant public and made a business out of exploiting this ignorance. Their current digital setup is only a charade. Their smiley-face screens are made to look big and imposing, but it is really just an illusion that wears off rather quickly. Their blurry, pixelated, oversized picture is pimped with their rock-concert PA system. Throw in some high octane, see-how-good-we-are, trailers and *tada*...
If you want to make a difference and IMAX is a serious competitor in your region, I would rather focus on why your "classic" setup is better suited for watching movies than Digital IMAX. Many people are still susceptible for arguments that actually make sense, but most of them just don't know them.
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Bobby Henderson
"Ask me about Trajan."
Posts: 10973
From: Lawton, OK, USA
Registered: Apr 2001
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posted 04-28-2014 10:09 AM
quote: Terry Lynn-Stevens
The lack of masking is for perception reasons, these screens were installed to compete with IMAX. Premium large format screens are a chains way of making their own version of IMAX.
"Disappearing" screen edges that fill a viewer's peripheral vision only work with true large format film-based systems, like the real 15-perf 70mm version of IMAX. The method does not work with low resolution d-cinema systems meant to illuminate smaller, more conventional sized movie screens. None of these digital-only fake large format theaters have screens that fill all my peripheral vision. The common width screens are more rectangular and the auditorium ceilings are lower. It's a cheaper concept than a true 15/70mm film based large format theater. It's pretentious crap.
Hollywood movies are not even composed for this kind of method either. All of them, even ones that have used IMAX film cameras, always compose for some kind of border/frame. They're not composing their images for a screen that exceeds a viewer's peripheral vision. They're not tailoring the edit pace for such screens either.
The closest Hollywood has come to large format specific framing was back in the "golden age" of 70mm, and really only with a few movies, such as Lawrence of Arabia. That movie had numerous shots of riders on camels very tiny in the frame, dwarfed by sprawling desert vistas. If you watched the movie in 70mm on a big theater screen you could see the riders clearly. Still, Lawrence of Arabia did compose with the frame in mind. Freddie Young didn't put all the important stuff in the lower center of the frame and have all sorts of extra headroom on the top, left and right ends of the frame as a true IMAX film composition would.
Movie theater operators need to re-think this bare bones, wall to wall, wannabe IMAX screen garbage. The screens may be big in proportion to the auditoriums, but they still look cheap. Some of them even look like wall mounted trampolines.
![[Roll Eyes]](rolleyes.gif)
Worst of all, the non-masked, letter-boxing effect often displayed on these screens, along with the digital nature of the projection, really makes it feel like you're watching a rented Blu-ray disc on a great big TV set. It does not have any feel of film at all.
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Carsten Kurz
Film God
Posts: 4340
From: Cologne, NRW, Germany
Registered: Aug 2009
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posted 05-31-2014 11:28 AM
They could be used to balance light, but not automatically/macro controlled, between CS and flat, etc.
These apertures are normally used to increase contrast and sacrifice brightness, e.g. on very small screens, for special applications like grading suites, postproduction, etc.
http://www.avalive.com/Christie-Digital/38-813028-51/65711/productDetail.php
http://www.christiedigital.com/supportdocs/anonymous/020-100668-01-christie-high-contrast-aperture-installation -instruction-sheet.pdf
'Variable' means, it's a set of different aperture inserts.
You should be able to balance CS vs. flat brightness with your projector/lamp brightness control, that is, lamp current. That's the standard for digital installs.
- Carsten
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