The "Takumar 50mm F3.5" (the standard lens for the Asahiflex I, mount diameter of 37 mm, screw-on type with a pitch of 1 mm), and the "Takumar 100mm F3.5," the first interchangeable lens designed for the Asahiflex were introduced 1950 Manufactures the lenses for the "Micro Camera" by Sanwa Shokai Lens coating technologies are highly evaluated from this time.1948 Releases the "6×15 Jupiter" micron binoculars.Conducts processing and polishing of lenses for binoculars and cameras 1946 Business resumed after the end of the war.Manufactures the Promar lens of Chiyoda Kogaku Seiko (current: Konica Minolta).Construction of Ohyama Factory completed.1938 "Asahi Optical Co., Ltd." is established.1934 New factory constructed in Sugamo-Shinden.Supplies lenses for the "Pearlette" folding camera by Rokuoh-sha (current: Konica Minolta).The design of the first camera lens produced in Japan is completed.World events : The 1st World Cup soccer tournament held in Uruguay.1927 World events : Lindbergh realizes the first solo non-stop flight across the Atlantic. 1923 Manufactures "AOCO," the first projection lens for movies produced in Japan.1920 World events : The world's first radio broadcast in the Unites States. Manufactures lenses for wearable eyeglasses and binoculars
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