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Author Topic: Signs in 70mm! Darryl Spicer Film God Posts: 3250 From: Lexington, KY, USA Registered: Dec 2000 posted 08-04-2002 12:34 AM                    But Apollo 13 is being transfered to an Imax print so it is 70mm just horizontaly not verticaly.  |  IP: Logged Tal Marks Film Handler Posts: 57 From: New York, NY Registered: Oct 1999 posted 08-04-2002 12:50 AM                        That is exactly my point, Darryl.  |  IP: Logged Mark Ogden Jedi Master Film Handler Posts: 943 From: Little Falls, N.J. Registered: Jun 99 posted 08-04-2002 11:55 AM                     Tal: I'm sure everyone is thankful for your clearing this up. . . but I'm curious what the justification is from Loews management for using the 70mm brackets in the ads (and when I called 5030 the other nite, whoever answered repeated the misinformation). Any idea?  |  IP: Logged Tal Marks Film Handler Posts: 57 From: New York, NY Registered: Oct 1999 posted 08-04-2002 12:24 PM                        Some of the management team at this theater are not aware of all the things going on upstairs. They'll sometimes confirm things without double checking to make the customer go on their merry way. It's scary to think that if our current contract negotiations fail, they'll be the ones up here running things! If you ever want to contact an NYC theater for technical questions, ask to speak to the projectionist and 99% of the time they'll put you right through and we love to talk shop! As for the 70mm brackets, I think it was a mistake made by the papers. They usually get it right by stating that it's a print made especially for the IMAX screen (within a similar bracket).  |  IP: Logged Bobby Henderson "Ask me about Trajan." Posts: 10973 From: Lawton, OK, USA Registered: Apr 2001 posted 08-04-2002 12:49 PM                     With such poor support of 70mm these days I'm surprised the newspapers still have any 70mm logo artwork --or perhaps maybe they got hold of some of the 70mm logo vector art thingies I put together.  |  IP: Logged Ken Lackner Phenomenal Film Handler Posts: 1907 From: Atlanta, GA, USA Registered: Sep 2001 posted 08-04-2002 05:30 PM                     I must be missing something here. If the print is not 70mm, what's so special for it? Why is it unique for the IMAX screen?  |  IP: Logged Gordon McLeod Film God Posts: 9532 From: Toronto Ontario Canada Registered: Jun 99 posted 08-04-2002 05:51 PM                     Ken it has been discussed on the site before there are prints struck for IMAX theatres that are printed point lighter to allow for the massive underlite images. They are basically the old drivein prints  |  IP: Logged Paul Linfesty Phenomenal Film Handler Posts: 1383 From: Bakersfield, CA, USA Registered: Nov 1999 posted 08-04-2002 06:14 PM                     Bobby Henderson wrote: With such poor support of 70mm these days I'm surprised the newspapers still have any 70mm logo artwork --or perhaps maybe they got hold of some of the 70mm logo vector art thingies I put together. Bobby, you can relax. No one stole one of your logo vector art thingies you put together. The ad used standard type for the notation. All it said was "Special 70mm Presentation."  |  IP: Logged Mike Schindler Phenomenal Film Handler Posts: 1039 From: Oak Park, IL, USA Registered: Jun 2002 posted 08-05-2002 03:23 PM                     This is probably a stupid question, but what is the advantage of having a 70mm print of something which was shot in 35mm? I thought that 35mm print stocks were capable of producing more detail than the original negative. It seems like even though 70mm is better, it wouldn't matter because 35mm would be past the point of "as good as it gets." I was always under the impression that the big advantage of 70mm for films which originated on 35mm was the sound, and that the reason why there are very few 70mm presentations today is because we have digital sound. I'm sure that I'm wrong about all of this, so if someone could clarify, it would be greatly appreciated.  |  IP: Logged Gordon McLeod Film God Posts: 9532 From: Toronto Ontario Canada Registered: Jun 99 posted 08-05-2002 03:32 PM                     Mike I would sugest doing a search of the site as it has been regularly been discussed that issue in a nutshell 70mm prints have more than double the image area of a 35mm print so they have greater resolution can handle more heat hence more light larger apperture size means more light can get through longer focal length projectin lens mean greater back depth of focus faster linear speed so analgue sound is better (for the same track width) less print magnification so less visable grain  |  IP: Logged Mike Schindler Phenomenal Film Handler Posts: 1039 From: Oak Park, IL, USA Registered: Jun 2002 posted 08-06-2002 03:27 AM                     Thanks, Gordon. But now I'm confused about lenses. When projecting an image, is there a greater depth of focus with short lenses or long lenses? I don't even know if depth of focus would be the correct term, but I'm referring to the range of distance between the projector and the screen in which the image will still be in focus. I get all confused about the differences between lenses when it comes to projecting as opposed to photographing an image. Also on the subject of lenses, are there zoom lenses for projectors, and if not, why?  |  IP: Logged Gordon McLeod Film God Posts: 9532 From: Toronto Ontario Canada Registered: Jun 99 posted 08-06-2002 05:42 PM                     Typically the longer focal length exhibit less dept of focus issues not always for the same reason as camera lens There are variable focal length options such as the variable primes and the magnacoms but because projectors and screens are fixed and Aspect ratios are standardised zooms would serve little purepose  |  IP: Logged Darryl Spicer Film God Posts: 3250 From: Lexington, KY, USA Registered: Dec 2000 posted 08-06-2002 09:39 PM                    A zoom lens on projection would be pointless. I do remember using a lens at the drive-in years ago that I could adjust these two knobs on top of it and project both flat and scope images using the same lens. I can't remember the name of the lens but we would use it to project the intermission trailer that was flat and then turn the knobs to spread the picture out for the scope.  |  IP: Logged Gordon McLeod Film God Posts: 9532 From: Toronto Ontario Canada Registered: Jun 99 posted 08-06-2002 09:49 PM                     That was a variable prismatic anamorphic If it had 2 knobs it would be a Hilux  |  IP: Logged Mike Schindler Phenomenal Film Handler Posts: 1039 From: Oak Park, IL, USA Registered: Jun 2002 posted 08-06-2002 10:09 PM                     I was just thinking that a zoom lens would allow you to easily change from one aspect ratio to another.  |  IP: Logged

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