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Waldemar

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About Waldemar

  • Rank
    Sub Dwarf

Profile Information

  • Gender
    Male
  • Interests
    DSO imaging, nature, all kinds of technical disciplines, speedskating
    philosophy
  • Location
    Netherlands

Recent Profile Visitors

3,139 profile views
  1. As many already stated above: do not take any chances with your eyes, stick to the known to be safe brands. Get yourself well educated about the use of any solar filter, being it white light or H-alpha, before using it. But you are already doing that... good for you!
  2. The thing with RO water is that the pH is quite low and thus is acidic. Acidity can damage the metal coatings of your mirror Distilled water is pH neutral so it can not damage the coatings on your mirror. This: What Is The Difference Between Reverse Osmosis Water And Distilled Water? | Drinking Water Base will tell the story.
  3. And please be more than careful with a hammer close to optics...
  4. How filthy is your mirror? the rule of thumb is to not clean it when the dirt is less than 10% of the mirror's surface. Cleaning a mirror is a tricky job and has to be done with great care. Use distilled or even double distilled water, do not use de-ionized water. De-ionized water is water that lacks ions coming from sodium, calcium etc. It still may contain other organic stuff. Distilled water is purer. Double distilled water is super pure and also used for medical purposes. Last flush can be done with Acetone. It dissolves the remaining waterdrops and evaporates very fast and without r
  5. I send you a PM Regards, Waldemar
  6. I am not a very much visual observer, but I like to look at the Sun, moon and planets with my binoviewer. For that I really love to use the Baaders with my Zeiss bv. No hassle with changing ep's or being afraid of dropping them... So... if you ask me: go for it!
  7. Those rj45 connectors are a bit tricky. Try to get the ones which put the leads all the way through the connector, so you can cut the ends off when done. If you hesitate to do it yourself, I don't mind doing it for you for free, you only have to pay the postage to the Netherlands and back to you.
  8. This should be the one you need: Lynx Astro FTDI EQDIR USB Adapter for Sky-Watcher Mounts (see description for models) | First Light Optics
  9. You manual should tell you if you can make a connection to your laptop or pc without the handset.
  10. Depends on your mount. Some have a rj11 connector, some rs232 and some usb...
  11. another option would be to get a threaded nosepiece, so you can screw in any filter, 1.25 or 2" ...
  12. Is this what you are looking for? : STC Astro-Multispectra Clip Filter (Nikon APS-C) + FREE Shipping + FREE LensPen - Cyclops Optics
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