Keystone 2500

marketed 197?

regular 8 mm \ super 8 mm film

film format change: auto, by selector switch

lamp: 50 W, 8 V, CXR bulb

lens: f: 1.5 \ F: 20-32 mm

reel capacity: 120 m

projection: forward, reverse, still

projection speed: 12-24 fps, variable speed

variable speed control: by rheostat

film loading: automatic threading

sound: no

motor: magnetic motor

power source: 117 V AC, 50/60 Hz,130 W

weight: ?

dimensions: ?

made in Japan by Bell Ko-On