The optical sights for approximate estimation of the distance to an object, as well as for observing objects of nature * Illumination of the reticle allows to aim in the twilight. Possibility of estimation of approximate distance to an object * Possibility of applying lateral corrections (with respect to wind, target movement) and angular corrections (with respect to distance to an object) * Equipped with a range-finding reticle * Hermetically sealed. Filling with nitrogen protects from optics sweating at temperature drops Firefield POSP 6X42D Riflescope Svd Mount - Firefield FF45002.