The film is loaded into the cassette, which has both feeding and receiving reels without the possibility of their separation. If the device is folded, the shutter release button is hidden inside, under the outer casing.
Agat-18 was produced at several BelOMO enterprises from 1984 to 1989. The Agat line consisted of only two devices, the second was Agat-18K. In the USSR, from the 60s to the end of the 80s, in general, many models of semi-format devices were produced.