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Old 08-12-2010, 08:01 PM
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Robh (Rob)
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Join Date: Feb 2009
Location: Blue Mountains, Australia
Posts: 1,338
Quote:
Originally Posted by NorthernLight View Post
Hi Rob,

I added a 5x powermate and a 25mm plössel - all 1.25" barrel (scope initially adjusted for 30mm 2" barrel GSO EP). I would have expected that the tube is rather going down due to the increased weight.
...

Now, with the magnets - I am not sure if I got you. Did you attach the magnets to the outside of the mirror cell?

BR
Max,

The scope is most likely moving up because of the increased weight off axis due to the long barlow + EP at high angles. If it was just a weight problem the tube would also tend to drift down at low angles. Does it do that as well?

The magnets stick themselves to the metal frame holding the mirror. I have a 12 inch DOB as well, so there is plenty of space for them.

Rob
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