Field prism binoculars 6x21 of the German company "K.Zeiss Jena" with the original case

An original pair of binoculars designed to supply graduates of infantry and cavalry military schools of the Russian Imperial Army in 1909 at the state expense. The mark of the Officer's Rifle School in the form of crossed rifles is engraved on the right eyepiece cover of the binoculars, as well as the binocular number in the delivered batch (No. 2105), indicating the official nature of the order. The binoculars are based on the 6x21 Telex civilian binoculars, which were put into production in August 1907. The military equivalent of binoculars is the D.F.6 model. Already in 1908, the binoculars came to Russia and passed a number of tests, mainly on The rifle range at the OSH. The weapons Department of the Art Committee of the State Agrarian University recommended it for officers and scouts of infantry and cavalry units of the RIA (A.J. No. 7 — 1908. No. 259). After the release of Military Department Order No. 1 dated January 1, 1909, the Zeiss 6x21 model was recommended by the regulation. The Military Council of February 21, 1909, for the supply of graduates of infantry and cavalry military schools graduating this year. The same provision established that the procurement of binoculars for this purpose should be carried out through the intermediary of a Warehouse of instruments and manuals at the Officer's Rifle School. Initially, binoculars in the amount of about 2500 pieces were planned to be ordered The optical workshop of the Obukhov Steel Mill, but she refused to fulfill the order by the appointed date, therefore, all the necessary number of binoculars in accordance with the decision of the Minister of War. The officer's Rifle School was re-ordered to the company "K.Zeiss." In total, about 2,200 such binoculars were supplied, and about 300 more old-style 8x20 binoculars were purchased from the Obukhov Plant at the expense of the total required quantity. 8x20 binoculars manufactured by NEO were issued to artillery officers who were trained in infantry schools and were assigned to artillery units attached to infantry and cavalry units. This order of the 6x21 model became the only one for graduates of RIA military schools — since 1910 they began to receive more advanced "night" or "marine" (according to the classification accepted at that time) 6x30 binoculars.