Early Nippon Kogaku and Pre-Nippon Kogaku Binoculars

Front:Pre-Nippon Kogaku, Fujii Bros. Victor No.5 x6
Rear:Prewar Nippon Kogaku Orion 6x24

Dr.Ryuzo Fujii was an officer in Japanese Imperial Army and studied
optics and other precision mechanics in Germany. He felt the need for
domestic military optical manufacturing in the war with Russia.
He then retired Army to found the Fujii Bros. Optical Mfg. with his
brother Mitsuzo. They manufactured binoculars and other military and
civil optical instrument and later became engineeringly the main body
of the Nippon Kogaku founded in 1917 with other two companies.

日本軍の将校であった藤井龍蔵博士は光学兵器国産化の要を説き、弟の
光蔵氏とともに藤井レンズ製造所を設立した。初期の主な製品は双眼鏡
であったが、後に日本光学設立の際にその技術的な中心となった。
初期の日本光学の双眼鏡は藤井時代のの設計がそのまま受け継がれている。

Front and rear view of the Fujii's Victor and Nikko Orion binoculars.

Nikko Luscar 6x20 binoculars

大正１０年にドイツから招聘したアハト博士ら８人の技術者によって
設計された双眼鏡のひとつで、翌年登場し日本軍の制式１３年式双眼鏡
となったオリオン型6x24にくらべ小振りでかわいい。またオリオン型に
くらべ見かけることも少ない双眼鏡である。同時に発表された双眼鏡の
中にはのちにニコン双眼鏡の代名詞ともなったミクロン型もあった。

In 1921, Nippon Kogaku hired Dr.Acht and other eight German engineers
to improve their engineering skill. Their first work included the
thorough redesigning of the binoculars. This Luscar pair was among
the first appeared in 1921. The Mikron was among the number in 1921.

（奥）オリオン６ｘ２４、（前）ルスカー６ｘ２０

BACK:Popular Orion 6x24 and Front:Luscar 6x20

Nippon Kogaku 3 inch small astronomical telescope
	3" and 2" small(amateur) telescopes first appeared in1919 but they seldom sold because they were quite expensive. Seizo Goto, the founder of GOTO opt. co. recalled when he joined the Nippon Kogaku, only 6 of them has been sold in the course of 6 years before he joined.