Photos of this weapon are hard to find. Here is a shot of the 10.5 LG 40 in use;
One source I have lists 450 7.5cm LG 40 were produced. These were an air-drop weapon for use by Fallschirmjager troops. They were used to good effect during the Battle of Crete.
Here is a shot of the 7.5cm LG 40;
