Katia 3 2a - Avi

In the shadow of the Space Race and the Cold War’s proxy battles, the Soviet Union produced some of the most rugged, utilitarian, and surprisingly innovative optical instruments ever made. While names like Zorki, Zenit, and B8x30 are well-known to collectors, one designation remains an enigma even among hardened military surplus enthusiasts: The Katia 3 2a Avi .

If you ever see one at a militaria fair in Riga or Odessa, examine the eyepiece. Look for the small, hand-engraved "3 2a" next to the hammer-and-sickle. Then check the price. Expect to pay north of $4,000. Katia 3 2a Avi

Through the 12° field of view, with the gyro struggling against turbulence, Oleynik spotted the shadow of an F-14 Tomcat’s contrail against the grey sea. Using the Katia’s unique Doppler-shift compensation calculator (a tiny, hand-rotated dial on the side), he tracked the fighter for 11 seconds. The optical data—combined with the Katia’s bearing output—allowed the Tu-95 to maneuver just enough that the F-14’s simulated missile lock failed. In the shadow of the Space Race and