A small collection of vintage lenses that may or may not be updated every now and again.
This model was likely made in the VALDAI factory (or JOV (Jupiter Optics Valdai) or Optical and Mechanical Plant Jupiter, Valdai) which according to Denis Random Tech might have been a subfactory for KMZ.
This model was likely made some time after 1993 in the KMZ factory (one of the biggest optics manufacturing factories of the Soviet Union, located near Moscow in the city of Krasnogorsk.