A new commander 's cupola was introduced which was adopted from the Panzer III Ausf. C. A Nebelkerzenabwurfvorrichtung ( smoke grenade discharger rack ) was mounted on the rear of the hull starting in July 1938 .
A new commander 's cupola was was back fitted to earlier Ausf .
A new commander 's cupola was introduced which was adopted from the Panzer III Ausf. C. A Nebelkerzenabwurfvorrichtung ( smoke grenade discharger rack ) was mounted on the rear of the hull starting in July 1938 and was back fitted to earlier Ausf .