Page 38 - CR-91
P. 38

CinemaScope,  which  was  to  create  a  wider
                                                     more visually involving screen image.
                                                     Another system for projecting CinemaScope
                                                     film was the Dutch “Delrama” system.  This
                                                     anamorphic  attachment  consisted  of  two
                                                     optical  mirrors  in  a  periscope  arrangement
                                                     fixed to the projection room wall by a bracket
                                                     that allowed the unit to be moved to one side
                                                     when not in use.
                  Cinemorph Anamorphic Lens          One of the mirrors was curved so as to un-
                                                     squeeze  the  vertically  compressed  image  on
                 Another  much  improved  lens  was  the  the  film  and  the  other  adjusted  to  align  the
                 “Cinemorph”.   A  better  focus  could  be  image on the screen.  The main advantage of
                 obtained with this lens, although distortion of  this  system  was  that  it  minimized  the
                 vertical and parallel lines at the extremity of  distortion of the vertical and horizontal lines
                 the image was often very apparent.  inherent in the projection of the CinemaScope
                                                     image.  However, the downside was a greater
                 Both  “Paradise”  and  “Cinemorph”  lenses  level  of  light  loss  than  that  of  conventional
                 were compression lenses. That is, instead of  anamorphic lenses.
                 expanding the picture image width by a factor
                 of two so as to un-squeeze the image on the  The British firm, Gaumont-Kalee developed  attracting  cinema  audiences.  As  a  result,
                 film  thereby  giving  the  correct  visual  the  “Varamorph”  anamorphic  lens.    This  within  five  years  of  the  introduction  of
                 proportions  of  CinemaScope,  the  lens  attachment consisted of two adjustable mirror  television,  at  least  a  quarter  of  Australia’s
                 compressed  the  projected  image  height  by  backed prisms that could be manipulated by  cinemas  had  closed  or  were  on  reduced
                 half,  . This effectively halved the height of the  an external control.  The purpose of this was  screenings.  Had  the  introduction  of  the
                 picture  on  the  screen  so  as  to  present  the  to  vary  the  width  of  the  projected  image  CinemaScope process been delayed so as to
                 un-squeezed CinemaScope image.  The width  within  acceptable  tolerances,  making  it  compensate for television, it is possible that
                 of the image could be increased by changing  possible  to  fit  a  CinemaScope  image  on  a  the early demise, particularly of the suburban
                 the focal length of the backing lens to one with  screen  less  than  the  2.35:1  (optical  theatre,  may  have  been  forestalled  for  a
                 a short focal length of perhaps 75 mm.   For  soundtrack) screen ratio. In some theatres this  time. ¬
                 the more expensive expansion CinemaScope  adjustment eliminated the need to widen the  Nomenclature:
                 lens,  a  long  focal  length
                 backing  lens  of  120-140  mm                                          35   mm   aperture   size   for   CinemaScope
                 was used.                                                               optical/optical  magnetic  soundtrack  for  a  screen
                                                                                         ratio of 2.35:1 is .825 inch wide x  .715 inch high.
                 Where costs were required to                                            35  mm  aperture  size  for  CinemaScope  4  track
                 be  kept  to  a  minimum,  the                                          magnetic soundtrack for screen ratio of 2.55:1 is
                 compression  lens  allowed  a                                           .912 inch wide x  .715 inch high.
                 CinemaScope  film  to  be                                               35 mm aperture size for Superscope for a screen
                 projected  without  having  to                                          ratio of 2:1 was .715 inch wide x .715 inch high.
                 alter  the  standard  projection
                 screen.   Although not the best                                         35  mm  aperture  for  standard  image  is  .825  inch
                 outcome, this contributed to a                                          wide x .625 inch high for 4:3 screen ratio
                 reduction   in   installation                                           Throw: The distance from the projection lens to the
                 costs.   This   system   was                                            screen.
                 adopted  by  a  number  of                                              CinemaScope: The trade name by 20  Century Fox
                                                                                                                 th
                 theatres,  although  it  reduced   Gaumont-Kalee Varamorph Anamorphic Lens  for their anamorphic widescreen process.
                 the   overall   purpose   of
                                                     stage  proscenium,  thus  helping  to  contain  Backing  Lens:  The  lens  used  to  determine  the
                                                     installation costs.                 picture size over a given throw.
                                                                                         Anamorphic  Lens:  A  lens  designed  to  provide  an
                                                     The  USA  based  Hilux  Company  also  expansion of the projected image width by a factor
                                                     developed  prismatic  anamorphic  lenses,  of two.
                                                     including an adjustable model.      Optical Sound:  The system of sound recording on
                                                                                         film developed by Lee de Forest, Western Electric
                                                     To  negate  the  Fox  licence  requirement,  the  and RCA and was the principal method used with
                                                     Howard Hughes-RKO film studio adopted the  film  up  until  the  recent  development  of  digital
                                                     Tuschinsky variable anamorphic lens for their  sound.
                                                     Superscope process. Superscope was a similar  Magnetic Sound: Usually multiple tracks recorded
                                                     anamorphic process to CinemaScope, except
                                                                                         on  a  magnetic  stripe  layered  onto  the  film  and
                                                     that  the  screen  image  was  a  little  narrower,  reproduced  through  multiple  speakers  as
                                                     having  a  2:1  screen  ratio  when  projected  stereophonic sound.
                                                     through  a  standard  anamorphic  lens.    The
                                                     picture  width  could  be  adjusted  when  used  Mag/Op:      The  combination  of  both  optical  and
                                                     with  the  Tuschinsky  lens.    The  first  of  the  magnetic  sound  recording  on  a  film  print.
                                                     relatively few films produced in Superscope  Reproduction was optional, depending on whether
                                                                                         the  projection  equipment  was  equipped  for
                                                     were Underwater and Vera Cruz.
                                                                                         magnetic stereophonic reproduction or just optical
                                                                                         monaural reproduction.
                                                     By  the  end  of  1956,  when  television
                                                     commenced  transmission  in  Australia,  the   Images:
                                                     novelty  of  CinemaScope  and  widescreen  Ross King
                        Dutch  Delrama Anamorphic Lens  films had largely been spent as a drawcard for  Rod How

                 38   CINEMARECORD  # 91
   33   34   35   36   37   38   39   40