16-mm sound motion pictures, a manual for the professional and the amateur (1949-55)

EQUIPMENT AND TOOLS 347 this case should preferably be small so that the editor does not need to leave his work stool. Filmviewer For viewing the film at the editing table a filmviewer is necessary. The filmviewer has a small lamp as a light source (about 50 watts or so), and a simple optical system for projecting the picture to a self-contained and partially hooded ground glass screen. An integral part of every filmviewer is a small rotating shutter or prism that cuts off the Fig. 86. Model LP 16-mm picture Moviola. This machine uses a 50-watt projection lamp. Moviolas are also manufactured with an Eastman projection screen attachment consisting of a light metal box containing a projection lens, mirrors, means for focussing, and an Eastman rear-projection screen 2" by 2 J". The space between the film and the projection lens is accessible, so that the film can be marked with a grease pencil without opening the film gate. Moviolas made for 16-mm, like 35-mm Moviolas, may be obtained with sound on separate film, sound on the same film, or both. light from the screen while the film moves along from one frame to the next. The Eastman filmviewer is excellent, but the image is inconveniently small for professional editing. Both the Craig and the Bell and Howell provide larger and more convenient images. Other filmviewers have made their appearance on the cine equipment market ; the Moviola LP (Fig. 86) is typical of the more costly professional types. After the filmviewer has done its work and a rough cut is assembled, it is desirable for the editor to view the film by projection in order to ascertain that there is no feature of the film bits that he has selected that is undesirable. Since the filmviewers can not show image detail satis