Herr Berg of Dragunov.net
has graciously allowed me to link to his site which
contains excellent information on the Chinese JJJ
scope. I'm proud to say that I continue to use his
site as a reference for many Russian optics and of
course the SVD Dragunov rifle.
Top: Rare PSO-1 made by Izhmash (Not NPZ)
Middle: Chinese JJJ 4x24 (English marked for NDM86
rifle)
Bottom: BelOMO POSP 4x24