For comparison wit the ZF.41 below, this ZF41/1, also coded “cxn” (Emil Busch A.-G., Optische Industrie, Rathenow), is a later type II sight. This model doesn’t use flat rollers anymore.

For comparison with the ZF.41 below, this ZF41/1, also coded “cxn” (Emil Busch A.-G., Optische Industrie, Rathenow), is a later type II sight. This model doesn’t use flat rollers anymore.

Early type 1 Z.F.41 telescopic sight made by Emil Busch A-G in Rathenow (code cxn). The “K.F.” marking (Kältefest) indicates that the scope was lubricated with cold-resistant grease “Invarol”. Early ZF41 sights used flat rollers mounts.