Dialytan 4x on high turret mount. The code “dkl” stands for the manufacturer Josef Schneider Optische Werke in Bad-Kreuznach. The rear foot shows the “RW” proof stamp.
Here is a very sought after 4x scope. This ZF39 was made the manufacturer J. Schneider Optische Werke in Bad Kreuznach, war code “dkl”. This one is mounted on a LSR mount and comes with its matching carrying can and sunshade.