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The statement that the blue screen has been eliminated will doubtless provoke discussion as
         to how the hues of a pronounced blue or purple effect so common in nature can be obtained. If
         one picture is photographed through the red screen and the second through the green screen, this
         alternation of exposure being continued throughout the film, it seems certain that the result will
         be pictures wherein only green and red tones exist, since no combination of these colours will
         give  purple.  This,  in  fact,  is  the  case,  and  it  constitutes  the  foremost  imperfection  in  Kin-
         emacolor; the pictures do have a prevailing green or red tone. But these tints become modified
         slightly. The essential blue tone is partially supplied in two ways. In the first place there is a
         certain proportion of blue associated with the green screen; secondly, when the electric arc
         light is used there is a pronounced blue tone in the light. The combination of these factors, to a
         certain but very small degree, compensates for the absence of the blue screen.

           On the other hand, resort to the two screens serves to emphasise the direct colours. The red
         and green tones do stand out with startling purity—“unnaturally vivid” is a criticism that I have
         often heard—but the intermediate tones, particularly those of the browns, are strikingly soft.
         Some of the pictures are assailed as being unnatural in tone; and to a certain extent the criticism
         is a just one. In some instances, however, it is due to the fact that the spectator has never actually
         concentrated his attention upon colour effects in Nature. His eye has never given him a faithful
         report of their quality.

           That  Kinemacolor  has  severe  limitations  cannot  be  denied,  especially  when  it  comes  to
         dealing with Nature direct. Fidelity to the myriad hues of Nature, ranging from one extreme end
         of  the  spectrum  to  the  other,  cannot  possibly  be  obtained  by  recourse  to  two  screens.  One
         searches in vain for the true blue and the rich, deep purple, while the pure yellow also is absent,
         being represented by varying tones of orange. So far as the blues and purples are concerned, they
         never can be obtained by resort to the two screens—red and green respectively— because what
         is known as the lower end of the spectrum is lost entirely by Kinemacolor. The hues stop short
         at the boundary where green meets blue.

          The public has sometimes drawn attention to another defect in colour cinematography. It
        appears to photograph the subject in a brilliant sunlight, regardless of the fact that sunlight kills
        colours. Every amateur photographer knows that if he exposes his plate upon a brilliantly lighted
        subject the tones are hard, everything being practically resolved into an intense white and black,
        while the leaves of trees appear to be covered with snow. When such a disadvantage afflicts the
        black and white worker, what can be said of a colour subject taken under the same conditions?
        The brilliantly lighted points are lacking in tone, and some very bizarre effects are produced in
        consequence. When an essentially scenic subject is thrown upon the screen these defects are very
        manifest, but when it is applied to such a subject as the Coronation of the King the flaws are
        overlooked, because public interest is concentrated upon the principal actors.
          It cannot be denied  that  from  the  popular  point of view, Kinemacolor records of the
        Coronation, the Investiture of the Prince of Wales, and other Royal subjects of the same time

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