Yugoslavia
9.5mm
Colour
Silent
"‘I practiced the additive two-colour process introduced some two years ago, and applied to the small 9.5mm film. In front of the camera lens a revolving plate containing a red and green screen is mounted in such a way that one picture is taken through the red and the following through the green screen, and so on. By cameras like the “Nizo” an interchangeable plate is mounted in front of the stop permitting one to take with the same camera both ordinary and coloured pictures. The speed for taking and projecting the film should not be less than twenty-four pictures to the second, in order to assure a correct melting of the colours of the screen. The film must be panchromatic and the colour of the screens in accordance with the film used. In the beginning when there were no panchromatic films on the market I practised the copying method. However, since the introduction of the first class reversible panchromatic films I practice the reversing method.
As regards exposure I am of the opinion that good results may be obtained in all sorts of weather. I never use a stop less than f.2. My lens is a Meyer Plasmat 1.5. The Adriatic sea films I sent you were taken with stops 8 and 11. Of course great care must be taken in developing the film to obtain satisfactory results.
Projecting may be done by two methods: First, the projector may be fitted with a revolving plate containing screens as mentioned above, but of somewhat lighter colours. The method is simple, but has two drawbacks: (a) that the projector must be adjusted with a suitable screen, and (b) that the green screen cannot be regulated. Second, the film is coloured with suitable red and green colours. When making a film in which the blue colour prevails I use a blue-green colour (see my Adriatic sea film), others, as my film Botanic Garden with a yellow-green colour. It is true that this second method requires great patience. However, the results are far more satisfactory and a film coloured by this second method can be projected on any 9.5mm. projector, together with an ordinary film at the same time'" (IAC Bulletin, Jan. 1934, 14-15).
Maksimillian Papsa. “How I Made It – Nature in Colours.” The IAC Bulletin, 2, no. 4 (1934), 14-15.
Royal Hotel, Bristol, UK: January 6, 1934.
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Amateur Cinema