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About marcus_z

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    Ingolstadt, Germany
  1. marcus_z

    FC-100DF as complementary scope

    As a former owner of a 10" Dobson and user of the Report and SXG-HAL130 as well as the FC-100DC and the FC-100DL, I recommend the SXG-HAL 130 and the DF. The report might be OK, but not perfect at 200x magnification, especially if you don't have a micro focuser. The HAL130 is lighter than the UNI and more than enough. The DF version has a very good color correction and does not need a pier extension for the zenith. Therefore, I think this will serve you better especially with those wider fields.
  2. No, I don't think I need one. For planets I just use the tube as orientation. For deep sky I might just use the lowest magnification eyepiece as a finder. A Panoptic 41 gives a 4.6 degree TFOV and 14x Magnification. That is almost like a finder, but with much better aberration control and eye relief. But I'm not 100% sure about the low mag eyepieces which I should use for travel... I'm thinking about a Masuyama 45mm, which gives a 6mm pupil and should work good with filters. Maybe a 16mm Nagler for open clusters, but then I don't know which eyepiece to take between the two...
  3. What a coincidence. I received also received my FC-76D objective module a few days ago. Which eyepieces and filters do you use for deep-sky?
  4. marcus_z

    Which Takahashi refractor?

    My Takahashi is purged with nitrogen, oxygen and depending on conditions dihydrogenmonoxid gas. That's about everything you need for things like the the eagle nebula.
  5. Yes, tie it to your mount as hard as you can
  6. Does anyone know why some Takahashi serial-number plates are golden, and some are silver?
  7. Phil, there's a gap between the focuser housing and the MPA at the sides. It seems like your MPA-TAK2.7 technically works, but that the MPA-TAK2.5 closes the gap here...
  8. Check TeleVue's recommendation here: Eyepieces for 6" to 10" Dobsonians with 1,200mm Focal Lengths basically they recommend Ethos 21, 13, 8, and 6. I think that's a perfect set. If you use filters quite often, then you could replace the Ethos 21 with the Nagler 31. Temporarily I had the following set: Nagler 31, Ethos 13, 6, 3.7 that's also something to consider. So I would recommend to plan three to four 100° eyepieces.
  9. For Sale: Vixen Advanced Polaris Altazimuth (APZ) Modular Mount condition: brand new in box (tried out once) price: 389€ + 15,99€ postage (EU-wide)
  10. marcus_z

    Wanted: Vixen SX2

    SX2 anyone?
  11. contact me via PM please
  12. marcus_z

    Wanted: Avalon T-POD 130

    contact via pm please
  13. marcus_z

    Wanted: Vixen SX2

    The SX2 is still of interest :-)
  14. That might be, but one would not even think about upgrading the focuser of a 500€ scope with a 500€ focuser. Focusing a 2,4mm eyepiece in a loaded turret which weights 1,5kg is "When only the the best will do!"

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