Keystone Synchro Sound 211-SL Vintage 1978 Movie Camera With Two Microphones Not Tested. Great looking vintage Movie camera. Has lots of useful functions that were the height of movie camera technology when it came out. Such as it has auto and manual 2x zooming with fixed focusing. The lens: (Shinkor) 2X Zoom f: 1.1 \ F: 10-20 mm. The viewfinder is: single-lens reflex with a adjustable eyepiece. The viewfinder also has: over and under-exposure warning signal (red LED), recording level indicator. The film speed is:film speed: auto for 25/40 and 100/160 ASA only (daylight/tungsten) Sound is: sound: single-system, magnetic recording on super 8 film. Sound jacks: Microphone and Monitor. Camera's Power source: 6 x AA batteries or rechargeable NC batteries. Camera is in good condition.  Has two microphones one being a TELE-MIC-ELC one. The wires for the   TELE-MIC-ELC are frayed with the original plastic coming off of them. Camera as not been tested to see if it works properly.  Doesn't come with battery charger. Has been in a smoke free home.