Movie Makers (Jan-Dec 1948)

207 BELL & HOWELL'S WIDOR wide angle lens attachment, at left, has the effect of reducing the focal length of lenses by half. Matching viewfinder objective lenses are available. other 8mm. or 16mm. cameras. The telephoto lens is manufactured by Elgeet Optical Company, 65 Atlantic Avenue, Rochester 7, N. Y. Widor attachment The nfw Wi dor wide angle lens attachment, announced by Bell & Howell Company, doubles the angle of view of motion picture camera lenses without altering the essential abilities of the lens with which it is used. Use of the attachment causes no reduction in light transmission, so that no compensation need be made in the exposure setting. Further information regarding the Widor attachment may be had by writing to Bell & Howell Company, 7100 McCormick Road, Chicago 45, 111. Filter turret The Ednalite coated cine filter turret provides a lens shade and filter holder, plus an assortment of the most important filters, in a compact unit permitting instantaneous interchanging to the filter desired. The turret contains these Ednalite coated filters for color: the ChromA, the ChromBlue and the ChromHaze. For black and white, it also contains the medium yellow Y-2 and the light red R-l. The unit is pro WITH a frequency range of 30 to T 0,000 cycles, the Natco 3030 16mm. sound projector has a powerful eight inch speaker and a five watt amplifier. A leading feature is AC-DC operation. duced by Chess-United Company, Inc., 95 Madison Avenue, New York 16, N. Y., from which additional information is available. Commonwealth division A division of Commonwealth Pictures Corporation — Commonwealth Film & Television, Inc. — has been created to handle the firm's distribution of home and television films. The parent company will continue to handle all feature length films, and both organizations will remain at 729 Seventh Avenue, New York 19, N. Y. NatCO 3030 Universal AC-DC operation, an axial-flow cooling system, an eight inch permanent magnet speaker and a five watt amplifier are outstanding features of the new lightweight Natco 3030 16mm. sound projector. The AC-DC operation makes converters unnecessary, while the axial-flow cooling system is said to assure quiet and cool projection. The 3030 has a 2000 foot film capacity and RUNNING in a sealed oil bath, a star and cam sprocket intermittent keeps the film moving in the Kolograph 16mm. sound projector. It has a 15 watt output and operates at both 16 and 24 frames a second. THE CRAIG 16mm. Projecto-Editor, below, offers great detail on its 3V4 by 4'/4 inch viewing screen. High illumination makes the screen image visible under ordinary room lighting conditions. is equipped with a 2 inch f/1.6 lens and a 750 watt lamp, though a 1000 watt lamp may be used. Total weight of projector and speaker in one case is thirty seven pounds. The Natco 3030 is manufactured by Natco, Inc., 505 North Sacramento Boulevard, Chicago 12, 111. Kolograph 16 Tne star an(* cam sprocket intermittent principle has always been associated with 35mm. projectors. Now, however, it makes a 16mm. appearance as the central feature of the Kolograph 16mm. sound projector, which dispenses with the more familiar claw principle. The Kolograph uses a small rubber V-belt, driving the intermittent cam unit, which in turn drives the entire projector. Other aspects of the Kolograph projector include a 1000 watt lamp, specially designed condensers and a 2 inch f/1.6 coated projection lens that will permit the use of a T-20 1250 watt lamp. To prevent blistering, a squirrel cage blower delivers over 100 cubic