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Topic: 70 mm film


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In the News (Mon 16 Nov 09)

  
  70 mm film - Wikipedia, the free encyclopedia
As used in camera, the film is 65 mm wide; for projection 2.5 mm are added along each outer side of the perforations for magnetic strips holding six tracks of surround sound, although in truth, the magnetic sound system is used now rarely.
Film formats with a width of 70 mm have existed since the early days of the motion picture industry.
Often, as in the case of 2001: A Space Odyssey, 70mm films were re-released on 35mm film for a wider distribution after the initial debut of the film.
en.wikipedia.org /wiki/70_mm_film   (952 words)

  
 35 mm film - Wikipedia, the free encyclopedia
The film format was introduced into still photography as early as 1913 (the Tourist Multiple) but first became popular with the launch of the Leica camera, created by Oskar Barnack.
Still cameras in 35 mm and the VistaVision motion picture format use a horizontal frame with is eight perforations wide, resulting in a wider aspect ratio of 3:2 and greater detail, as more of the negative area is used per frame.
Most films today are shot and projected using the 4-perforation format, but cropping the top and bottom of the frames for a medium aspect ratio of 1.85 or 1.67.
en.wikipedia.org /wiki/35_mm_film   (1013 words)

  
 Kinoton America
Synthetic Delrin is used for the runner strips in the film gate, pressure skates and pad shoes to prevent film disengaging from the sprocket teeth.
Because the film tends to maintain as uniform a curvature as possible while running, the film curves in the center of the image towards the light.
The film gate for 70 mm has a single, easily replaceable aperture plate and the 35 mm gate a vertically adjustable plate with three apertures for normal, wide screen and Cinema Scope.
www.kinotonamerica.com /outOfProduction/dp75.asp   (1259 words)

  
 Movie projector - Art History Online Reference and Guide   (Site not responding. Last check: 2007-11-04)
Film is unwound from the center of the platter through a mechanism called a "brain" which controls the speed of the platter's rotation so that it matches the speed of the film as it is fed to the projector.
The film is premade in the 8 mm width, not split during processing as is the earlier 8 mm.
Film prints equipped with CDS did not have the conventional analog optical or magnetic soundtracks to serve as a "back-up" in case the digital sound was unreadable.
www.arthistoryclub.com /art_history/Movie_projector   (4649 words)

  
 Encyclopedia: 70 mm film
Cine 160 is a 35 mm film projection process proposed by Allan Silliphant whereby a single frame of film would occupy a length of six film perforations.
Dolby Digital, 70 mm lost this advantage, and a significantly lower number of 70 mm prints are struck today.
Recently, big waves in the 70 mm enthusiast crowd were made upon rumors that Terrence Malick would shoot The New World (2005) entirely on 65 mm; this was determined to be too expensive for the entire shoot, however, although certain portions were indeed shot in 65 mm.
www.nationmaster.com /encyclopedia/70-mm-film   (1801 words)

  
 [No title]   (Site not responding. Last check: 2007-11-04)
The 35 mm negative film is run at an increased speed relative to the normal 90 feet/minute rate for 35 mm film, namely at the speed at which the selected 70 mm format will be run (5/4 or 112.5 ft./min., 8/4 or 180 ft./min., 10/4 or 225 ft./min., or 15/4 or 337.5 ft./min.).
The motion picture film of claim 2 wherein said two-dimensional array of symbols are arranged in blocks with spaces therebetween in the direction in which the film is transported when played, such that both the blocks and the spaces therebe- tween are stretched.
The motion picture film of any one of claims 2,3 or 4 wherein said large format motion picture film is 70 mm film and the degree of stretching of said symbols is by a factor of 1.25.
www.wipo.int /cgi-pct/guest/getbykey5?KEY=99/66503.000330&ELEMENT_SET=DECL   (4439 words)

  
 Film
When the film is stopped, the camera shutter, which is geared to the film-transport mechanism, is opened for approximately 1/35 second and a single picture, or frame, is photographed on the film.
The projector uses a shutter to block the light while the film is being transported to the next frame, a mechanism to transport the film, and a lens to focus the image on a screen, the size of which is limited by the capabilities of the lens and the amount of available light.
When such a film is projected, the actual time of growth is diminished several thousandfold, and in the projected picture the plant apparently springs from the earth and unfolds its leaves in a matter of seconds.
cs.clark.edu /~hum101/Humanities_101/film.htm   (5407 words)

  
 Wide Film Cinematography - Fox Grandeur 70mm
A buckle in a 70 millimeter camera is a terrible thing, for it not only ruins a large quantity of valuable film, and often damages the camera, but it invariably makes the motor a total loss.
film, he was simply unable to dramatize the backgrounds as did the larger film, for in 35 mm.
And when these advantages, and those which the wide film soundtrack offers the sound-engineers, are combined with a perfected system of color cinematography, cinematographers and directors will indeed have a medium which is worthy of their best artistic and technical efforts.
www.widescreenmuseum.com /widescreen/grandeur-sep1930.htm   (2027 words)

  
 Kinoton
The film path has been designed so that all changes of film direction follow the minimum possible radius and each curve has a very gradual transition from oneto the next.
Because the film tends to maintain as uniform a curvature as possible while running, the film curves in the centre of the image towards the light.
The film gate for 70 mm has a single, easily replaceable aperture plate and the 35 mm gate a vertically adjustable plate with three apertures for normal, wide screen and CinemaScope.
www.blsi.com /kinoton/dp75.htm   (1264 words)

  
 Kinoton America   (Site not responding. Last check: 2007-11-04)
The precision electronic intermittent and film transport mechanisms have been especially developed for the high mechanical stress of 70 mm film projection.
Lateral guidance in the film gate is obtained by pairs of ceramic discs above and below the aperture.
The film gate for 70 mm has a single, easily replaceable aperture plate and the 35 mm gate an adjustable plate with three apertures for normal, wide screen and CinemaScope.
www.kinotonamerica.com /cinemaEquipment/FP75E.asp   (1061 words)

  
 Compatible digital soundtracks for 70 mm motion picture film - Patent 6011610   (Site not responding. Last check: 2007-11-04)
In spite of these advances in analog soundtrack fidelity, film soundtracks had long been considered a candidate for digital coding due to the high cost of 70 mm magnetic soundtrack films and the perceived limitations of the matrix technology employed in 35 mm optical soundtrack films.
It is an object of the present invention to provide a large format motion picture film soundtrack in the form of a photographically recorded two-dimensional array of symbols representing digital information which is readable and decodable by apparatus designed for reading and decoding a photographic digital soundtrack applied to 35 mm film.
On 70 mm film, the sprocket hole dimensions and spacings are identical to that of 35 mm film.
www.freepatentsonline.com /6011610.html   (3873 words)

  
 Iwerks Entertainment | Iwerks Glossary   (Site not responding. Last check: 2007-11-04)
Two 35 mm images are printed side by side on 70 mm filmstock.
The organization of the cabinet allows the end of the film to be spliced to the beginning creating a continuous loop.
Film loop - The loop build up of film that occurs as the film advances throughout the system at a steady speed, but intermittently passes through the projector gate.
www.iwerks.com /notShocked/iwerks/i-glossary.html   (1125 words)

  
 Movie History
On December 28, 1895, several films were shown to a paying audience in the basement of the Grand Café, Paris.
By the end of the century, 35 mm film, running at 16 frames per second, was commonly employed, although most scenes only lasted for between 15 and 60 seconds.
Firstly, it was difficult to move the film past the optical sensor at a steady speed, especially as it was located in close proximity to the gate mechanism.
myweb.tiscali.co.uk /whitefiles/b1_s/1_free_guides/fg1mt/pgs/h16b.htm   (1170 words)

  
 IMAX   (Site not responding. Last check: 2007-11-04)
Drawing the large-format film through the projector was a difficult technical problem to solve; conventional 70 mm systems were neither steady enough for the 586x magnification.
William Shaw of IMAX adapted an Australian patent for film transport called the "rolling loop" by adding a compressed-air "puffer" to accelerate the film, and put a cylindrical lens in the projector's "gate" for the film to be vacuumed up against during projection.
The IMAX format is generically called "15/70" film, the name referring to the 15 sprockets per frame of 70 mm stock.
www.aaaah.org /wiki/en/im/IMAX.htm   (1712 words)

  
 Hasselblad
The intersections were 10 mm apart and accurately calibrated to a tolerance of 0.002 mm.
To conduct the static electricity away from the Reseau plate in the Data Camera, the side of the plate facing the film is coated with an extremely thin conductive layer which is led to the metallic parts of the camera body by two contact springs.
Finally, The film used on Apollo-11 was the same type carried on the other flights - a Kodak special thin-based and thin emulsion double-perforated 70 mm film - which permitted 160 pictures in color or 200 on fl/white in each loading.
www.hq.nasa.gov /alsj/a11/a11-hass.html   (831 words)

  
 Imax digital re-mastering opens new vistas for filmmakers, audiences   (Site not responding. Last check: 2007-11-04)
The process scans every frame of a 35 mm film and converts it into a digital image, "optimizes" each frame by enhancing the image in a variety of ways (removing grain, eliminating unsteadiness, etc.) and finally reprints the images onto 70 mm film stock.
The first film to debut in the new process, which opens today in Seattle and 21 other cities, is a retooled version of Ron Howard's 1995 space-survival epic, "Apollo 13." The results that were screened for critics earlier this week were, in a word, spectacular.
Given the cost of the process ($2 million to $4 million per film), the unwieldiness of the prints ("Apollo 13" came in 34 pieces, weighing more than 400 pounds) and the fact that the films will be sharing the schedule with the usual Imax nature shorts, some naysayers doubt Imax has a gold mine here.
seattlepi.nwsource.com /movies/87735_apollo20q.shtml   (925 words)

  
 When will everything be broadcast in HDTV? - AVS Forum
But when 35 mm improved they quit using 70 mm film because the 35 mm film was just as good.
I remember a film lab at the time had the concept of "textless film finish" which was offered at nearly the same cost as a tape finish.
Film features with a pure film process are 4th generation (Cut OCN, IP, IN, Print), so the contact printing also rolls off the response.
www.avsforum.com /avs-vb/showthread.php?p=5715037   (3652 words)

  
 70 mm film - Psychology Central   (Site not responding. Last check: 2007-11-04)
Sadly, this special presentation is missed when all truly "big" film are now released in 35 mm only, since the early ninties.
Recently IMAX, the Canadian based "big format" company has used 70 mm run sideways to achieve and even bigger look, and Hollywood has recently availed itself to the release of true "blockbusters" in an IMAX blow-up mode.
A more cost effective alternative to 70 mm is being considered in the form Cine 160, a taller version (6 perf.) of 35 mm that provides 1.60 times the image area of standard 35 mm.
www.grohol.com /psypsych/65_mm_film   (1091 words)

  
 NASA releases recovered videos and photos from Columbia
The videotapes and film were recovered near San Augustine Texas during the three month search for debris from Columbia.
film recovered was a group shot of all seven crewmembers.
film includes photos of the crew working on their experiments and views of the Earth outside the window.
www.freerepublic.com /focus/f-news/934778/posts   (681 words)

  
 Large format photography Forum: 70 mm film processer
Some time ago up purchased a 70 mm back from a hasselblad bought two boxes of 160 nc ANSI color film for it.
Took it to my local film store it yet when they tried to send to Kodak it was sent back saying they were unable to process it.
If your local photo lab can do 120, they should be able to do your 70 mm film (assume it is double perforated), technically speaking.
www.photo.net /bboard/q-and-a-fetch-msg?msg_id=003BX2   (394 words)

  
 review of 70mm aerial film for 70mm rollout cameras with tips on QMS, Xante printers, Imacon scanner, ...
This particular film is courtesy of the Agfa aerial photography division in Belgium.
With a rollout camera it is possible to record data on film that is difficult to see with the naked eye.
AGFA 70mm film allows continuous images to be made of the entire circumference of any round artifact.
www.cameras-scanners-flaar.org /recommended_film_printer_RIP/Agfa_70mm_format_film.htm   (537 words)

  
 Lighting Images
They are designed to accommodate most projectors requiring film reels up to 26'' in diameter.
The A-800 Accumulator is used for interlocking two projectors or wherever film accumulation is required.
The WRF wall roller is used to support film in situations requiring long film runs (over 10').
www.lightingimages.com /p_reelarm.htm   (254 words)

  
 PCQuest : Media Works : Max Movies
The max effect comes from the size of the film used—IMAX works on 70 mm film, which is double the size of regular cinema-quality films that are made on 35 mm film.
The secret behind the largeness of an IMAX movie is that the 70 mm film runs horizontally through both the camera and the projector (the width of the film is used as the height of the frame).
The second secret is that there are 15 perforations per frame on an IMAX film, unlike in other 70 mm formats (a 35 mm film has four perforations per frame).
www.pcquest.com /content/media/102120502.asp   (986 words)

  
 Projector Rental - Used Film Projectors
In from them are the perforations used to drive the film through the projector, along with the Dolb...
These are the 35mm film strip projectors like teachers used in school (before video).
Film servicing is the issue one week, the next week a projector or toaster...
www.projectorrentalguide.com /info/index21.html   (579 words)

  
 70 mm film
films are still available in 70 mm format?
available in perf and non perf and there are a few aerial films.
Any camera/film stores carrying 120 film in or around Hilo, HI by Norm Dresner
www.photographytalk.net /viewtopic-80131.html   (1548 words)

  
 Jedi Council Forums - SW 70 mm film cells
Do you know if there's a listing of the SW 70 mm film cells that were released.
Each edition was limited to 9500 sets and each frame is unique since they only used one print of each film for these.
Retail price is listed at $24.95 US but the books says they can be bought for as little as $15.00 US if you can find a dealer.
boards.theforce.net /message.asp?topic=14928298   (315 words)

  
 70 MM Cinerama Part 2
A couple of the 70MM "Cinerama films that did not play at the Martin were "Custer of the West" and "Circus World." "Custer" was just about as low budget a film as one could image.
The excitement of the classic train sequence in "HTWWW" was far from duplicated.
"2001" was the only 70 MM film in Cinerama to become a classic.
members.aol.com /Cinerama8/index.cinema6.html   (339 words)

  
 Imagery and Radiance Temperatures from the Visible and Infrared Spin-Scan Radiometer (VISSR) on SMS/GOES at NSSDC
The tapes were used to generate 70-mm film products, but were subsequently replaced by the AOIPS format data.
From the digital tapes, Visible and infrared images were produced on 70-mm film.
Each picture contains a title on the top boundary and a 33-level gray scale on the right boundary that represents brightness temperatures.
gcmd.gsfc.nasa.gov /records/GCMD_SMS_VISSR.html   (719 words)

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