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About bartonv

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    Western Colorado
  1. Great information everyone!! Thank you for your help.
  2. Hi everyone. I have a Orion SkyQuest XT 10 Newtonian which is fantastic but I would like to do DSLR photography with it but I am unable to reach primary focus even with a low profile focus devise. I am however very close. I am within 1-2 mm. The next thing I would like to try is moving the primary mirror in but I have maxed that out and would like to find some longer screws both lock and adjusting screws. I think I only need to move it in a centimeter or two at the most. Does anyone know where I might find some other then searching out hardware stores? I have tried "Bob's Knobs" online but they do not offer screws for the Orion SkyQuest XT 10 (they say they are to close together). My concerns are: 1. Would I need to replace the springs also? 2.Do the screws have special threading Any thoughts would be appreciated. Thanks Victor
  3. I am thinking of purchasing this item form Orion for my 10" reflector with the primary purpose of shorting my focal length. I want to do some astrophotography and cannot reach primary focus(within 2-3 mm). Does anyone know if it will do this if at all? My focal length is 1200mm. I know a barlow will but I also want to get the comma correcting effect. Thanks
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