WWII Imperial Japanese Optical Weapons Blueprint Book by Okada Kogaku

  

It contains around 26 pages of detailed schematics for military lenses and sighting devices, including diagrams for binoculars, rangefinders, and gunsights. Okada Kogaku was a prominent optics company in prewar Japan, known for producing precision cameras and military-grade instruments. During the war, they supplied the army with vital optical components for field and artillery use. This booklet shows the internal structure of various devices with meticulous measurements and lens specifications, reflecting the technological effort behind Japan's war machinery. Such technical documents were never intended for public distribution and were only available to engineers within the military-industrial complex.

Most were lost or destroyed in the postwar demilitarization. This surviving piece is a rare insight into Japan's wartime engineering.

Despite water stains and aging, all diagrams remain legible. A historically significant reference for military historians, optical engineers, and collectors alike. Own a Piece of History. International Buyers - Please Note.

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