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Posts posted by tomw28
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Hi!
I have recently purchased a Sky-Watcher Heritage 76. I am really pleased with it but when I put a 2X barlow lens in with either a 25mm eyepiece or the 10mm eyepiece the only things that will focus are things that are within a few metres of me. Stars and planets just look like a black splodge with a ring around it. It appears to focus slightly more when (I don't know the technical term) the focusing thing is close to the main body of the telescope.
Does anyone know if the scope just won't work with a barlow or if it is the barlow I'm using (a cheap one I'm afraid) or even how I'm using it?
Thanks
Tom
P.S. The focal length of the telescope is 300mm and the mirror is 76mm. Thanks!
I can't focus with my barlow
in Getting Started General Help and Advice
Posted · Edited by tomw28
Thanks for the advice. The people I brought it from have finally got back to me and said that I should return it and they will send me the "deluxe" model. He didn't explain what the problem was though, just saying that the new one would work. I'm pretty sure the lens works because it will focus very crisply on plants a few metres away with the increased magnification, but not on planets and stars slot further away! And no, the barlow wasn't included with the set, I ordered it seperatley. I'll let you now if the deluxe lens helps.
Thanks
Tom