Originally posted by Lightly Corrected Google-Translation
Model 4 Type 1 Shooting Sighting Device (1942 tests)
Based on 1942 Junkers-88 Revi 12c sight; participation in deciding
to improve the ninety-eight type shooting sight.
The basic design is based on the "Tomioka Optics" and "Chiyoda Optical Seiki" at the "Aerial Techniques Arsenal"
The prototype design was made and completed in the summer of Showa 18 [1943].
As a result, based on the prototype of "Tomioka Optics"
Further improved in the spring of 1944, the prototype was completed in 1944.
Production was completed and the four-type shooting sighting device was transferred to mass production.
◎ Tentative name Model 4 Shooting/Sighting Aiming Scope Type 3
Buffalo fighter equipped optical sighting machine.
Based on prototypes of improved items that can measure distance. It was completed in the fall of 1945 and transferred to production from the beginning of 1945.
Often large targets such as the B-29 are targeted. Due to the inconvenience of erroneous distance judgment by eye measurement, improved sights to cope with this were called for....
Comment