ICEINSPACE
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Moon Phase
CURRENT MOON
Waning Crescent 18.9%
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09-12-2005, 08:35 PM
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6000 post club member
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Join Date: Oct 2005
Location: Launceston, Australia
Posts: 6,570
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EP rattles
Evening all 
One of my eyepieces has a noticeable rattle when I gently shake it.
It's definitely in the lenses somewhere.
I this a problem of any significance?
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09-12-2005, 08:53 PM
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Registered User
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Join Date: Jan 2005
Location: Sale, VIC
Posts: 6,033
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What kind of eyepiece is it?
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09-12-2005, 09:00 PM
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Host to the Stars
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Join Date: Mar 2005
Location: Canberra (used to be Kulnura)
Posts: 531
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my 30 mm 1RPD does the same
anyone ?
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09-12-2005, 09:04 PM
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6000 post club member
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Join Date: Oct 2005
Location: Launceston, Australia
Posts: 6,570
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frogman...
I'm sure I'm not the first to say that "2 wrongs don't make a right" 
I'm sure there are plenty of folk out there who've been sold rattly EPs ...
but does that mean they're OK?
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09-12-2005, 09:09 PM
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Host to the Stars
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Join Date: Mar 2005
Location: Canberra (used to be Kulnura)
Posts: 531
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i havent had an issue with it other than the NEED to hear it rattle when i pick it up !
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09-12-2005, 09:30 PM
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The Glenfallus
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Join Date: Jan 2005
Location: Central Coast, NSW
Posts: 2,702
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I don't know guys, but last night I had more than a rattle in one of my eyepieces...somehow a mosquito snuck in the back of my 13mm Nag as I was putting it to the diagonal, and so when then took a peek at the moon, boy did I get one hell of a shock!
I'm sure the neighbours heard a loud "F@%$" ...this was at about 11.30pm.
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09-12-2005, 09:34 PM
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6000 post club member
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Join Date: Oct 2005
Location: Launceston, Australia
Posts: 6,570
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09-12-2005, 09:40 PM
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The 'DRAGON MAN'
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Join Date: Jan 2005
Location: In the Dark at Snake Valley, Victoria
Posts: 14,412
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Quote:
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Originally Posted by janoskiss
What kind of eyepiece is it?
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A broken one! 
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09-12-2005, 09:49 PM
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Registered User
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Join Date: Jan 2005
Location: Sale, VIC
Posts: 6,033
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Rattle is not good unless it's just the barrel coming loose, which you can retighten. The optics should be fixed in place and well collimated, with all lenses aligned along the optical axis. A rattling lens will not do much good for the view through the EP. If it's not the barrel that would only need a slight turn, then ask the the dealer you bought it from to replace it.
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09-12-2005, 10:26 PM
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The 'DRAGON MAN'
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Join Date: Jan 2005
Location: In the Dark at Snake Valley, Victoria
Posts: 14,412
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Also check the threaded lock ring up inside the barrel. Just re-tighten it if it is the slightest bit loose.
The lock ring holds the Lense in place.
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10-12-2005, 12:07 AM
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A very 'Senior' member.
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Join Date: Jan 2005
Location: South Coast N.S.W.
Posts: 2,571
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FWIW, if you have a loose locking ring, go to a Jewellery store. Ask nicely if you can borrow the 'adjustable tool for removing watch backs'. (Not sure of terminology).
Remove the chrome barrel to gain access to the ring. Just *NIP* it up.
Did this when I had to replace a UHC filter holder.  L.
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10-12-2005, 12:12 AM
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Honk if u luv cheeses...
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Join Date: Nov 2005
Location: Adelaide
Posts: 146
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Matt...
Quote:
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Originally Posted by matt
frogman...
I'm sure I'm not the first to say that "2 wrongs don't make a right"
I'm sure there are plenty of folk out there who've been sold rattly EPs ...
but does that mean they're OK? |
2 wrongs don't make a right, but 3 lefts do hehe.... 
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10-12-2005, 12:13 AM
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6000 post club member
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Join Date: Oct 2005
Location: Launceston, Australia
Posts: 6,570
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Thanks lads
You were right. After removing the barrel I discovered a loose locking ring.
SORTED!!!!!!!!!
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10-12-2005, 12:47 AM
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Planet photographer
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Join Date: May 2005
Location: Bundaberg
Posts: 8,819
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Cool! Glad it was sorted out easy.
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10-12-2005, 12:59 AM
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The 'DRAGON MAN'
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Join Date: Jan 2005
Location: In the Dark at Snake Valley, Victoria
Posts: 14,412
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Quote:
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Originally Posted by matt
Thanks lads
You were right. After removing the barrel I discovered a loose locking ring.
SORTED!!!!!!!!!
Gee, Ken is such a clever fellow! What an amazing person he is, and so modest too. I don't know where we would be without his knowledge in here. Thanks Ken, I owe you a 2" Nagler for that!  |
Nah. it's OK Matt. Just send the Nagler in a hurry!!!
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10-12-2005, 01:12 AM
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Planet photographer
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Join Date: May 2005
Location: Bundaberg
Posts: 8,819
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Ken would'nt accept such a gift anyway Matt, he has too much pride! But I don't!! I'll PM you my particulars!
Besides, he's a toUcammer now! No further use for eyepieces! 
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10-12-2005, 01:15 AM
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The 'DRAGON MAN'
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Join Date: Jan 2005
Location: In the Dark at Snake Valley, Victoria
Posts: 14,412
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Matt is going to have a heart attack when he reads the above posts!
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10-12-2005, 01:42 AM
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Planet photographer
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Join Date: May 2005
Location: Bundaberg
Posts: 8,819
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Sorry bout the spamming in your thread Matt!......it won't happen again! (he-he-he!) 
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10-12-2005, 01:46 AM
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The 'DRAGON MAN'
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Join Date: Jan 2005
Location: In the Dark at Snake Valley, Victoria
Posts: 14,412
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Quote:
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Originally Posted by asimov
Ken would'nt accept such a gift anyway Matt, he has too much pride! But I don't!! I'll PM you my particulars!
Besides, he's a toUcammer now! No further use for eyepieces! |
So are you John, you . . . you . . Toucammer!
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10-12-2005, 01:54 AM
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A very 'Senior' member.
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Join Date: Jan 2005
Location: South Coast N.S.W.
Posts: 2,571
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We're gonna have to get you a slower 'pooter', Ken. Much too quick with the qoute, 'quotes'! L.
ps. Matt, glad 'we'  could all help.
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