102nd Semiannual Technical Conference Chicago, September 17–22
Journal of the SMPTE · 1967
Journal of the SMPTE Volume 76 position is 23,000 mi above the middle of * SIMPLE MOUNTING.Fastens to the zoom lens with convenient thumbscrews.Quickly disengages for manual use.*ADJUSTABLE STOPS.Can be pre set for any portion of the zoom range.*HEAVY DUTY RHEOSTAT.Permits rock steady or variable speeds from 3 to 60seconds over the entire zoom range.* RUGGED STEEL CONSTRUCTION.Transistorized solid state circuitry for lifelong operation.