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United Binoculars 30 x 40?

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PJAntiques View Drop Down
Optics GrassHopper
Optics GrassHopper


Joined: October/04/2018
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    Posted: October/04/2018 at 13:59
I have a question.  We had a customer come in with a pair of binoculars I cannot seem to find any information on.

The are:
United Binoculars, Chicago 20
Made in Japan
30x40  1.7  Fully hard coated No 190117

Can anyone help me with this?

Thank you!
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WJC View Drop Down
Optics Apprentice
Optics Apprentice
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Joined: May/28/2014
Location: Twin Falls, ID
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Post Options Post Options   Thanks (0) Thanks(0)   Quote WJC Quote  Post ReplyReply Direct Link To This Post Posted: October/04/2018 at 14:16
You need not fill it with sand to have an adequate paperweight. A 30x40 would have a 1.3mm exit pupil. Give it back to him and wash your hands.

Bill
"What lies behind you and what lies before you are tiny matters compared to what lies within you."—Ralph Waldo Emerson
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