This is a very interesting camera in the Historic view point. The same way FAG and VOOMP were the forerunners of FED, This Orion was the forerunner of Sokol and Lomo 130. Orion KM were a kind of "trial balloon" built with technology from Japan. These models were made together Fuji and Copal in a trial to develop precision handcraft at a relative low cost and massive production.