FIELD: sighting devices, in particular, means for sighting of small arms. SUBSTANCE: optical sight has an objective lens, ocular lens, lens-erecting system with variable magnification, sight indicators and an open sight located on its upper part. Provision is made for a mechanism for changing the magnification ratio of the erecting system with an abrupt return of it to the initial state, return spring, cylinder cam, trigger lever of the return spring, tie dogs of the mechanism for changing the magnification ratio and tie dogs for introduction of sight corrections, as well as slide control handles brought out of the telescopic tube and located in the immediate proximity of the trigger and weapon grip. EFFECT: simplified control of the sight without removal of the rifleman hand from the weapon grip, reduced time of change of the sight magnification ratio. 9 cl, 2 dwg
