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OTHER BINOCULARS #13 & OPTICAL SIGHTS/ MOSTLY MILITARY |
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Japanese External Reverse Porro Prism Binoculars. WEBSITE MUSEUM |
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FOR LIST OF GERMAN WWII BINOCULAR and OPTICAL MANUFACTURER CODES |
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NON MINIATURE BINOCULARS AND OPTICS: MOSTLY MILITARY |
![Text Box: CLICK ON PAGE LINE. CLIQUEZ SUR LA LIGNE DE PAGE. KLICKEN SIE AUF SEITENZEILE. HAGA CLIC EN LÍNEA DE PÁGINA..[ページ行]をクリックします。НАЖМИТЕ НА СТРОКУ СТРАНИЦЫ. ALSO SEE INDEX.](image3473.gif)
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Okako Dabit ( Okada K ōg aku) pre WWII 6x24 Japanese Army Military binoculars with reticule/ range grid serial No. 244 |
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Okako was a brand of Okada K ōg aku Seiki K.K. , founded in the 1930’s making military and non military binoculars & cameras. (Post war co history below). Dabit was also a name used on pre war Okako camera lenses. I believe that my Okako 6x24 binoculars with reticule date to the 1930’s based on low serial number #244 and use of metal filled lettering, and were probably army approved pattern officer private purchase. (speculative). (partial info credit camera wiki org). |
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WWII SUZUKO Japanese Navy 7x50 ° military binoculars #170 |
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My WWII Suzuko Tokyo 7x50 Japanese navy binoculars carry the trademarked logo of Suzuki Kogaku, founded 1927 (Info. Credit Dan Dubal). The low number of 170 may indicate limited production (speculative). The marking 視 界 means field of view. Suzuki made very similar binoculars right after the war, but with “coated lens “, and “field 7.1” markings. |
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Modified/ Cut WWII Japanese military 15x80 large binoculars |
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Modified/ Cut WWII Nikko 15x80 Japanese Military Large Inclined Ocular Binoculars |
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This is what the complete binoculars of this pattern look like. |
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My WWII captured Japanese naval Nikko 15x80 inclined ocular large binoculars have been cut into a separate half. My right hand half contains a ranging grid. While originally designed for military ship mounting, many or maybe most would have been transferred to Japanese artillery shore emplacements and/or to shore tripod mountings. The ocular assembly rotates on it’s offset to adjust the inter-ocular distance. These also have an objective sun shield. |
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WWII Nikko Dual Ocular 15x and 25x Turret Japanese Army type 92 Military Artillery Targeting Large Scope/ Telescope Serial #412 with Compass, tripod and Case. |
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The kanji case marking loosely translated indicates kyuunishiki (type 92) telescope with angle measurement, so basically a ranging/ targeting scope to accompany artillery. |
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YAMATO ( Yamato K ō gaku Seisakusho) WWII 6x9.3 Japanese Army Military binoculars with reticule/ range grid serial No. 44274 and JES mark. |
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My WWII Japanese army YAMOTO 6 x9.3 binoculars with right side reticule/ range grid is believed a brand of Yamato K ō gaku Seisakusho, who merged with Seiki Kogaku in Mar. 1944 to become Seiki K ō gaku Kogo Itabashi, which later became Cannon. The J.E.S. mark is Japan Engineering Standards #13554 related to screw threads. Yamato also made 7x50 & 20 x120 binoculars. |
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AK marked Akabari Kogaku ( 赤羽光学 ) 8x22 WWII Prince Japanese Army private purchase binoculars |
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My understanding is that A.K./ Akabari Kogaku 赤羽光学 was known for producing Prince 8x22 binoculars for Japanese military officers private purchase during the 1937 second Sino-Japanese war and then also during WWII. The company survived into the occupied Japan era. My binoculars have no serial number. |
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Nikko/ Nippon Kōgaku Kōgyō Kabushikigaisha ( 日本光学工業株式会社 ) 4x10 ° WWII Japanese army mortar and artillery ranging scope/ transit for laying out fields of fire |
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My Nikko Nippon Kōgaku Kōgyō Kabushikigaisha ( 日本光学工業株式会社 ) Japanese WWII 4x10 ° rotating mortar and artillery ranging scope or transit was used on a tripod to lay out fields of fire and position fire stakes for fixed position mortar and artillery positions It has a compass and complex optical grid. |
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Given their weight, and given their size, and the probability of war damage, it is not surprising some quantity of the large Japanese observation binoculars which US soldiers captured in WWII and brought home, including my 15x80 example, have been cut and adapted to be single telescopes. (some also may have been cut to make twice the money by selling each side to rear echelon troops as souvenirs). |
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空 in circle marking indicating Air Force or Navy Air Force use |
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Truk Island 1945 captured WWII SUZUKO Japanese 6x9.3 ° military binoculars #54921 w/ JES mark |
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As with my above 7x50 Suzuko binoculars, my 6x9.3 example was made by Suzuki Kogaku, and these have the marking JES ねぢ Japanese Engineering Standard related to screws. It is a quite probable (but speculative) belief that my binoculars were captured by Louis W. Cardoza of Fairhaven Ma. #31136839, who was a private in the U.S. Army Air Force during WWII. This binoculars case is marked “C.CAROLINES ISLS ,TRUK 1945”: being the Chuuk Lagoon of the Carolines Island, and Truk Island. |
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From February 17 1944 the US conducted major air raids on the Truk Island’s Imperial Navy’s 4th fleet operating base, and the large port facilities on Truk island, which also had 5 Japanese airfields plus a seaplane base. In September 1944 the Seventh U.S. Army Air force joined into these attacks, and the US air attacks continued until Truk island surrendered on Sept. 2, 1945. |
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WWII GK/ Goto Kogaku/ 五藤光学研究所 Japanese Navy officers 6 x 24 military binoculars No. 110391 |
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I believe my GK/ Goto Kogaku ( 五藤光学研究所 ) 6x24 Japanese Navy binoculars with graticule/ range grid were produced between 1933 and 1935.The pivot on these has a stamped arsenal or subcontract or inspection or approval mark. It does not seem to be the tou mark seen on some other Goto binoculars). Goto Kogaku was formed in 1926 as a spin off from Nippon Kogaku making telescopes, and created a dedicated factory in Setagaya Tokyo from 1933 through WII. |
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I have also observed GK/ Goto Kogau 6x24 binoculars #30657, 110709, 111061, 112802, 113375, 113448, 113776, 114883, 115096 |
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If any website viewer knows this manufacturer logo please contact me. c ontact: Miniature.binoculars@ gmail.com このメーカーのロゴを知っているウェブサイトの閲覧者がいる場合は、私に連絡してください。接触 ： Miniature.binoculars@ gmail.com |
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Acquiring and selling war souvenirs to troops to bring home as a “war trophy” is quite well documented to have been an active US front line soldier activity. |
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WWII Japanese Army unknown maker 7x50 Military Binoculars serial #594 |
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My WWII Japanese Type 89 7x50 binoculars and somewhat unusual pattern canvas case are of an unknown maker/ unknown logo and not one I have seen before. Their extremely low serial number of 594 does suggest relatively small production run (speculative). These do not have a graticule/ ranging grid. |
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I have observed these same binoculars with serial number 47847 wJES |
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I have observed these same binoculars with serial number 3591, 8020 |
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I have observed these same type binoculars with serial number 14915, 55145 |
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This US commander in the islands campaign is carrying and using captured Japanese officer’s binoculars |
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Australian soldier using captured Japanese 15x80 binoculars |
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WWII NTC/ Nippon Typewriter Co./ Nihon Taipuraita Kabushikigaisha , 日本 タイプライター株式会社 Japanese Army officers 6 x 9.3 ° military binoculars No. 124420 |
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There is a lot of misinformation on line about these brand binoculars. These are binoculars with the logo marking of Nippon Typewriter Co./ Nihon Taipuraita Kabushikigaisha , 日本 タイプライター株式会社 The WWII NTC optical (Kogaku) plant was located at 838 Kama-cho, Miyakojima-ku, Osaka-shi, Osaka-fu per US Army SCAP (Supreme Command Allied Powers) document # 1134, which seized this plant. The NTC logo on these binoculars was the Nippon typewriter standard logo, as shown at left in a 1940 ad, which says that in 1940 NTC had factories making mining machinery, printing machinery, typewriters, weaving machinery, projectors & cameras, microscopes, pens/ crayons/ stationary, lamps/flashlights/ bulbs/ switches, paint/ varnish/ wax, etc. |
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Kanji K ū gish ō marking of Imperial Japanese Naval Air Technical depot research/ testing/ development/ facility Yokosuka |
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Unidentified pivot mark |
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WWII Nikko Tokyo Nippon Orion 6x24 Military binoculars Serial No. 79719 second WWII pattern |
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My Nikko marked Nippon Kōgaku Kōgyō Kabushikigaisha ( 日本光学工業株式会社 ) Nikko Tokyo Nippon Orion marked 6x24 binoculars #79719 are of the late WWII pattern and nomenclature. Nippon Kogaku also made almost identical Nikko Tokyo Orion 6x24 model right after the war (see my pair in OTHER BINOCULARS #20 ) starting around serial #570169, and into the 1947 Occupied Japan marking period around serial #574130. Then made Nikko Tokyo Orion 6x24 binoculars marked made in Occupied Japan 1947-1949 starting around serial #574325. ALL POST WAR Nikko Orion binoculars have six digit serial numbers. |
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WWII Nikko Orion 6x24 Military binoculars Serial No. 67064 early WWII model ( 日本光学工業株式会社 ) |
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I have seen these same Nikko Tokyo Nippon Orion 6x24 marked binoculars serial #69038, 71385, 73055, 73978, 74146, 76673, |
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I have seen these same Nikko Orion 6x24 marked binoculars serial #67018, |
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WWII 吳 廠 Japanese Navy Kure Arsenal 7x 50 military binoculars w/ graticule serial #637 |
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My WWII 7x50 Japanese binoculars with very low serial number #637 have the Japanese naval property marking 航 in circle, and the marking indicating “with scale” 目盛入 on the left plate. My own research indicates the 吳 廠 marking indicates either procurement by, or production at the Kure Naval Arsenal ( 呉海軍工廠 , Kure Kaigun Kosho , and this fits in with the presence of other Naval arsenal markings and arsenal inspection or approval markings on other WWII Japanese binoculars. Also same type binoculars observed with serial #3575 |
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Nippon Kōgaku Kōgyō Kabushikigaisha ( 日本光学工業株式会社 ) made these pattern 6x24 Nikko Orion marked binoculars prior to and also early in WWII. I have seen a claim in a very impressive Nikko collection in Japan with many Victor and Nikko examples that production of these pattern 6x24 binoculars started in 1922. At peak during WWII Nippon Kogaku had around 23,000 employees and as many as 25 factories and affiliated factories. Thanks to Don DiNaro for assistance in acquiring these binocularse |
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WWII Japanese Nikko (Nippon Kogaku)10x45 trench and bunker periscope binoculars serial # 3087 |
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The military use of periscopes to look over objects is documented since 1647 (Johame Hevelius). They were widely used in WWI trenches for not exposing the user’s head to rifle fire or shrapnel. The two bubble levels, multiple fine adjustment knobs, and angle scales indicate that my Nikko Nippon Kōgaku Kōgyō Kabushikigaisha ( 日本光学工業株式会社 ) Japanese army trench binoculars were for artillery targeting and directing . |
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WWII Japanese Nikko ( Nippon Kōgaku Kōgyō Kabushikigaisha ( 日本光学工業株式会社 ) 15x artillery binoculars |
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My large WWII Nikko (Nippon Kogaku) artillery binoculars with graticule would have been for artillery targeting, spotting, and observation. |
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U.S. officers on Okinawa with captured Japanese binoculars like these on tripod. |
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日本光学工業株式会社 is Nippon Kōgaku Kōgyō Kabushikigaisha |
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Means long range binoculars |
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Means number 1840 |
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Nippon Kogaku inspection stamp |
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重量 7 is weight 7 (kg) |
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Inspection stamp is grade A |
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Sakura inspection stamping |
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昭和 20 年 3 月 is March 1945 |
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WWII SKK Japanese Navy 7x7.1 ° military binoculars #605 |
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My SKK Japanese navy binoculars with low serial number #605 probably made by Seiki-Kougyou-K ō gaku-Kabushikigaisya/ 精機光学工業株式会社 or possibly Showa Koki. The marking 航 means “navigation” and was used on Japanese navy and naval aviation binoculars, and the marking 目盛入 means “with scale” (graticule/ranging grid), and the marking 規 means “with rule/ divider “. I believe the anchor marking on the pivot cover is the Toyokawa Kaigun Kōshō/ 豊川海軍工廠 / Toyokawa naval arsenal mark and the other mark is the Naval Chief Inspector, Tokyo Arsenal approval or inspection mark. |
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Okako ( Okada K ōg aku Seiki K.K. ) WWII 6x24 Japanese Military binoculars with 船 用品 marking ( ship/ marine, vessel equipment) |
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My WWII Okako 6x24 binoculars have an interesting 船 用品 marking indicating ship/ marine goods and these were probably Japanese navy approved officer private purchase binoculars. |
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I have also seen binoculars like these with serial # 2997 |
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Textured coating |
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Same binoculars seen ser.# 2272, 4937 w/ reticle |
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My two above WWII Okako brand binoculars were made by Okada K ōg aku Seiki K.K. . ounded in the 1930’s. By 1943, its primary factory facility was located at Toshima-ku Nishisugamo-chō (the company became Okaida Optical 1948-1951, then Daiichi Kōgaku K.K. 1951-1956, and then Zenobia Kōgaku 1956-1958, when the factory collapsed due to labor conflicts. |
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WWII unknown brand/ manufacturer Japanese army 6 x 9.5 ° military binoculars #92722 w/ JES mark |
