Hello, I've been looking for any good books that cover the German "goodies" in detail and I was wondering if there were any favorites. By "goodies", I mean systems that are minor and not well known such as German gyroscopic sights (such as the EZ 42), proximity fuses (for rockets and shells)...
I am looking for images and references for any type of German aircraft sights preferably the EZ 42. Even images and references for German flak or tank sights will be appreciated too.