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 Fixing FED rangefinder.
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okynek
759 Posts
Posted - Jun 06 2008 :  7:05:26 PM  Show Profile  Reply with Quote
I wonder if someone had similar situation and can give me advise.
I was cleaning rangefinder on Fed-1 and by lack of experience I accidentally took most of the reflecting paint out off semitransparent mirror. Does someone know way how to fix it?
Nicolas
Gelios
USA
57 Posts
Posted - Jun 06 2008 :  7:14:46 PM  Show Profile  Reply with Quote
Sorry okynek, I can't help you but I am also interested to know as I have a pretty bad mirror on a FED-1...
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Luiz Paracampo
Luiz Paracampo
Brazil
1966 Posts
My Collection

Posted - Jun 06 2008 :  7:18:36 PM  Show Profile  Visit Luiz Paracampo's Homepage  Reply with Quote
Go to Edmund Scientific they sell semireflective mirrors in 25,50 and 75% grades. Those are sold un 4x4 cm plates and appox 0.75mm thickness. You must cut the glass in the appropriate size.
You will do a better RF with a 75 percent reflective mirror. The second image will be brilliant and easy to be seen.
Request the catalogue and see ever growing prices.
A second suggestion is to use thin reflective plastic film used for overing car windshields. Works but is not so great!
Good luck and regards.
LP
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okynek
759 Posts
Posted - Jun 07 2008 :  9:33:21 PM  Show Profile  Reply with Quote
Thank you Luiz! I'll try this. Although I do not know how to cut glass accurately and precisely. It some special cutters needed?
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Luiz Paracampo
Luiz Paracampo
Brazil
1966 Posts
My Collection

Posted - Jun 08 2008 :  09:45:13 AM  Show Profile  Visit Luiz Paracampo's Homepage  Reply with Quote
Okynek and Gelios
Really it is only needed a diamond cutter and firm hand. Although I consider myself careful and meticoulous in precision machinery,
I could NEVER!!! in my trials obtain a right cut. So I give this task to expert people.
LP
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Nicolas
Gelios
USA
57 Posts
Posted - Jun 08 2008 :  6:10:29 PM  Show Profile  Reply with Quote
Will have a look at Edmund site. Thanks Luiz.
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Luiz Paracampo
Luiz Paracampo
Brazil
1966 Posts
My Collection

Posted - Jun 10 2008 :  9:26:26 PM  Show Profile  Visit Luiz Paracampo's Homepage  Reply with Quote
Okinek and Gelios
I found whwt you need!
see:

http://www.anchoroptics.com/catalog/product.cfm?id=423

Regards LP
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