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Everything posted by banjaxed

  1. Thank you John and Cornelius your explanation is now apparent, it’s funny when things are explained clearly how obvious it becomes. I still have a lot to learn.
  2. I am a bit confused as to how a Goto tracking mount can know how fast or slow to track an object when using different magnifications. The reason I am asking is the last time I was looking at Saturn with my push to 8” Dob it was obvious how much quicker it moved with higher magnification and I am confused as to how a mount can perform this task.
  3. Hi and welcome back to SGL.
  4. banjaxed

    Hi all

    Hi Lee, welcome to SGL.
  5. Hi Philip, Tap the First Light Optics sign at the top of the home page then tap eye pieces, then Baader where you will find what you are looking for.
  6. I checked the drawtube and it does not have a thread. I have located a 40mm extension adapter which I will order and see how it goes. Many thanks to all who replied with all your helpful suggestions.
  7. Great, thank you very much for the info, much appreciated.
  8. That has made things more uncertain. Has anyone here got the original adapter supplied with the telescope ?
  9. Thank you very much for the info, I will order the 40mm adapter.
  10. Thanks for the reply, but I think it needs to be a certain length to obtain focus. I was hoping someone with the same scope could tell me what length it is.
  11. I am thinking of trying a 2” eyepiece in my Dob but the adapter that comes with the scope was missing from mine. Could anyone please let me know what length the adapter needs to be. Thanks in advance.
  12. Hi and welcome to SGL.
  13. Great instructions, wish I had them before I started with my little project. Fortunately for me things worked out fine.
  14. At that sort of price I think you would be better off with a Skywatcher 9X50 RACI finder scope. I wouldn't be without mine.
  15. Thank you all for your help and advice, I have replaced the lenses and had a look through the scope and the views are crystal clear without any need for collimation how lucky am I (should have done the lottery)
  16. Thank you very much Peter, you may have just saved a marriage Just to be clear, the lenses are replaced in the front end of the scope so first would be the rear lens with the concave facing the sky then the biconvex lens with the shallower convex facing the sky.
  17. Thank you very much Peter, you may have just saved a marriage
  18. Thank you very much for your quick reply. Firstly I am not brave enough to blame my wife and will make sure she doesn't read this The model I have is the Celestron Nexstar 102 GT and the manual you linked does not cover removal and replacement of the lenses. Hopefully someone may be able to help, thanks again.
  19. I decided to clean the lenses in my 102mm Celestron refractor which I did very methodically and to the letter of all the advice received on this forum. As I removed the lenses I placed them in order of removal and kept them the right way up so I could replace them exactly as they were removed. All was going well until I recieved a phone call from a friend asking me for some assistance with a job he was doing. When I returned home my wife informed me that she needed the space and had moved my cleaning gear including the lenses and were now mixed up. Could anyone point me in the right direction as to which order the lenses should be replaced. There are 2 lenses, one is quite thick (about 12mm) and has one side slightly convex and the other thinner lens is about 6mm and is convex on both sides. Any help would be greatly appreciated. If this is in the wrong place could the mods please move it.
  20. Hi and welcome to SGL.
  21. Hi and welcome to SGL.
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