Slide projectors and slides; overhead projectors, DIN-test transparency for the examination of sharpness for projection and viewing conditions, size A5— 4 стр.
Projectors for film and television studios, stage and photographic use; projectors for incandescent lamps, consumption 0,1 to 10 kW and for metal halide lamps, consumption 0,2 to 12 kW; optical systems, equipment— 15 стр.