Carbon Arcs for 16mm Film Projection

C. E. Heppberger, E. A. Bowen

The characteristics, operating data and performance of a high-intensity carbon trim for the projection of 16mm film are described. The color quality, magnification, optical speed, power of the projection lamp, intensity and distribution of the screen light are discussed. Earlier papers are reviewed, and projection improvements consistent with current trends in illumination are suggested.

Print ISSN
Published
1964-10
Content type
Original Research
DOI
10.5594/J07751