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PROJETS de NORME5 FILMS 8 mm (»$&*»)
Type acfuel
Prqjef Kodak
Projef americain
Projet Francais
.1 magazine accommodating up to L50 ft. of film, with provision for sound recording on magnetic track. An automatic ally loaded projector designed by the American specialist J. Maurer was also demonstrated. The New 8mm Film
However, the attention given to this extensive use of 8mm film was bound to revive the objections raised more than 10 years ago against a film derived from the 16mm and which, therefore, had sprocket holes of superabundant section.
As earl\ as Vpril L941, in an article published in the review "Cine\mateur" and entitled "La Bataille des Formats n'est pas terminee"' i the size quarrel is not over I . the dejects of the 8mm size were stressed. showing the advantages which could be derived from the 10mm size with sprocket holes of smaller section.
I his basii project was discussed at a meeting organized by the American SMPTE with a view to study
in the respective merits of each method proposed as a substitute for the 8mm size. \ll llicse methods were characterized by the use of smaller sprocket holes than in the 16mm film:
— An 8mm film with magnetic track between holes and film edge and a pitch of 1.25mm. — Tu<> 8%mm films (35 h. one with a 1.25mm pitch and magnetic track on picture edge, the other witli a L75mm pitch and magnetic track between holes and film edge,
— An 8mm film with photographic track between holes and film edge and with 3.81mm pitch.
To face all the methods proposed, the former project of a 10mm film to adapt it to new requirements was proposed, and that — in addition to an l!mm film intended for amateur use only — a sound film size (with optical or magnetic sound track at option) he created for audio-visual education purposes.
At the 4th UNIATEC Congress held in Moscow an interesting proposal made by Martin and SaintHilaire again brought out the "tetebeche" ( head-to-tail ) system in which two series of opposed frames are arranged on a 16mm film, driven by a single row of central sprocket holes with magnetic tracks laid on the external edges.
This system does away with film rewinding, since the projection of the two series of frames successively, brings back the film to the start position; it also eliminates the need for a balance-track.
Finally, it was announced that Eastman Kodak, Inc., had decided to adopt an 8mm film with narrow sprocket holes and a pitch of 4.25mm, providing a frame area of 21 sq. mm as against 14mm, i.e. an increase of 50% in area (x 1.2 linear).
PROJETS de NORMES FILMS 2x8 mm
imagesSNfete-beche" avec enirainement central
International Projectionist April, 1965