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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/10/2008 at 04:57
AKMaule View Drop Down
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I will not go into the long and foolish tale of how I ended up accidnetly removing the objective lens from my scope.  Lets just say it was an accident.
 
This is my first post, and I hope it is not presumptuous to start out by asking for help and advice.  I throw myself at your mercy.  It seems there are many very knowledgable people hanging out here.  Thanks in advance fo the help.
 
After removing this lens I would imagine my Docter Optic scope is no longer filled with nitrogen.  What should I do?  If I test it by going from cold to warm and it does not fog, should I forget my foolish mistake and take this thing hunting?  Where can I send it to have it purged with nitrogen?  There is a little cap right below the reticle elevation adjustment with a nitrogen symbol on it.  Can I fill this thing myself?  Should I send it to Germany and have the factory fix it?
 
Any advice, except, "Do not unscrew that, you idiot," would be much appreciated.
 
Chet
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/10/2008 at 05:38
8shots View Drop Down
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I am afraid now is the time to read the manual.
Send it to the agents for repair or at least some other scope repair shop who may be prepared to work on a different brand (In other words some local company versus sending it to Germany).
If you are desparate you can do the job yourself, but it will be temporary and some fogging will occur. A friend did just what you did by falling. He did a field repair and it served him for the duration of the hunt.
But in the end let the pros look at it.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/10/2008 at 08:10
martin3175 View Drop Down
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well put 8shots
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/10/2008 at 08:14
silver View Drop Down
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Call the Docter
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/10/2008 at 09:12
Dale Clifford View Drop Down
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recall that standard air is mostly nitrogen, so the water vapor is the biggest problem, if you want to take the trouble , make a fairly airtight cardboard box sealed with duct tape, leave the scope in the box with a drying agent, (copper sulfate or equiv) over night, and replace the ob. the next day. without exposing to more moisture-- if your really creative you could cut holes in the box and tape some rubber gloves. to work in the box. -- or drop it in the mail and have a cold one.

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/10/2008 at 09:53
8shots View Drop Down
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Originally posted by Dale Clifford Dale Clifford wrote:

recall that standard air is mostly nitrogen, so the water vapor is the biggest problem, if you want to take the trouble , make a fairly airtight cardboard box sealed with duct tape, leave the scope in the box with a drying agent, (copper sulfate or equiv) over night, and replace the ob. the next day. without exposing to more moisture-- if your really creative you could cut holes in the box and tape some rubber gloves. to work in the box. -- or drop it in the mail and have a cold one.

 
Dry air for the scope, wet air for the throatCoffee
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/10/2008 at 12:00
mercenary1947 View Drop Down
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 If it's a good top of the line or just descent model I'd have it recharged . If it's a bargain basement model .... no . You said it's german so it must be a pretty good one ... it's well worth it in my opinion .
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/10/2008 at 15:39
Chris Farris View Drop Down
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There was a company named CMO that used to disassemble a scope, drill and tap the body for their mount and reassemble it.  I don't recall what gas they used but he was telling me that it was heavier than normal air we breath and he would just stand the scopes on their end and fill the scopes with the gas which would force the air out then he would screw the scope back together.

Another thing you have to worry about is parallax and focus.  The objective lens is just one part of the entire optical system and it needs to be in a precise location for the rest of the system to perform as designed.

You might contact ABO in Florida as they will work on any brand and they have the equipment and knowledge to it better than you or I but probably not better then the original mfg.

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/10/2008 at 18:18
Ed Connelly View Drop Down
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This calls for DUCT TAPE.  
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