The SFOM 681 is a recognition device antennas perforated film 70 mm wide making negative 6 x 7 cm. probably used in the French army. Produced in Malmasión (France). The serial number has become invisible for unknown reasons (Figure 7). The power switch is coupled to the winding of the film turning path through the right grip. The trigger is done with the thumb, without having to leave the device. The warranty has expired 11/1968. The camera shutter works, the camera has some wear but is in good condition for its age. Unbranded lens included is not the original. The lens is shabby Optical much dirt on the lens. Monte S.F.O.M. 680. It includes metal case provided with traces of use. Comes with many accessories, see the last and penultimate picture.