Rusty BF5

Frankenscope? Let's see it!***be advised that NOTHING in this forum has been safety tested and you are reading and using these posts at your own peril. blah, blah, blah... dont mess around with your eyesight when it comes to solar astronomy. Use appropriate filtration at all times...
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Solar B
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Rusty BF5

Post by Solar B » Fri Oct 02, 2015 7:31 pm

Dearest Solar Friends

I was sold this by an unscrupulous
astronomer and am now required to
repair the item ... any help advice
would be greatly appreciated
It is obviously a rusty ITF

Brian
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" Gentlemen only ever use Refractors "

Sungazer
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Re: Rusty BF5

Post by Sungazer » Sat Oct 03, 2015 7:44 am

Hello Brian, You can obtain a new ITF filter, which is a straight swop, from Maier Photonics inc, in the USA, mine cost about £55 delivered. Might be slightly different because of exchange rates. This will transform your scope to as good as new.
Hope this might help,
John.

Solar B
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Re: Rusty BF5

Post by Solar B » Sat Oct 03, 2015 10:05 am

Hey Thanks John :)

I have contacted them already ... :bow2


Oh was wondering how the existing ITF is removed from the barrel to ?

Brian
" Gentlemen only ever use Refractors "

Sungazer
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Re: Rusty BF5

Post by Sungazer » Sat Oct 03, 2015 10:41 am

Hi Brian ,The tube that screws into the body has to be removed, VERY tight usually, but a boa strap may help. When removed you will find a glued ring with 2 holes which has to be removed,use a pin punch with care, then remove old ITF and replace with the new one.
Hope this help, John.

Solar B
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Re: Rusty BF5

Post by Solar B » Thu Oct 15, 2015 8:28 pm

Hello John
I now have the new ITF ... in the
image you can just make out one
of the hole impressions I think you
refer to ... do I have to apply a lot
of pressure to them to release the
existing ITF.

Brian
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" Gentlemen only ever use Refractors "

Sungazer
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Re: Rusty BF5

Post by Sungazer » Fri Oct 16, 2015 12:17 pm

Hi Brian, The two holes,which you should unscrew ,using a pair of strong dividers,the locking glue is very tight to undo. When you remove the old filter try and make sure you put the new one the same way up. John.

Solar B
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Re: Rusty BF5

Post by Solar B » Fri Oct 16, 2015 12:37 pm

Thanks John ... That's great ... understood

Brian
" Gentlemen only ever use Refractors "

highfnum
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Re: Rusty BF5

Post by highfnum » Fri Oct 23, 2015 4:23 am

part that has 2 pin holes gets unscrewed ?

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