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Does anyone know these binoculars?

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/01/2013 at 18:34
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Optics GrassHopper
Optics GrassHopper

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/01/2013 at 19:59
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Optics Master
Optics Master

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You may not get any additional information here you did not get in your threads on Bird Forum.  You said there they have the Japanese manufacturers code of JB-133.  This identifies the maker as Kamakura, which was one of the many Japanese optical manufacturers during the days of the Japan Telescopes Inspection Institute (JTII) of the 1950-'s -1980's.  Kamakura survives today and is a major force in the Japanese optics business, making quality glass for many companies.

Optex is one of a myriad of "brands" from those days who sought these Japanese companies to produce binoculars with their company labels.  I don't know anything about Optex as a company, but their brand name is common on internet auction sites.

You stated in BF that these have a 367' (7*) fov, which is very wide for any 10x binocular, particularly a 10x50.  It very likely has single coated optics, is probably pretty good quality, and is also very likely to be a good usable binocular today.  It will not be worth much.  You see similar specifications in 10x50 binoculars all the time for $30.00 or even less.

It looks like it needs to be cleaned internally.  That is pretty easy to do...once you know how.  Do a little Google searching for cleaning vintage porro prism binoculars.  What I'd do is get on line on the auction site and buy a couple of similar cheapies for learners.  That rubber armor will likely hide some access screws, so get an plain Jane unarmored learner.  If you don't have any want to do the cleaning yourself, contact Suddarth Optics for a cleaning.
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