Orion MIRAX-B Reflex Housing. Contax RF or Nikon RF cameras Focabell Bellows BOX

In 1952 the Mirax box introduced the Pentaprism viewfinder, which could be interchanged with the waist-level viewfinder. Surely this was the great leap into the future. Serial #541294. Works with MIRAX- B Reflex Housing.

eBay