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About Dave1

  • Rank
    Star Forming
  • Birthday 17/10/1985

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  • Gender
  • Interests
    Astronomy, Motorcycles, Theology, Philosophy , Music.
  • Location
    Dorset, UK
  1. I didn't think you did have an axe to grind, I just like to learn and read everything I can to make a fully informed purchase. I have read some of the stuff on CN. At the moment I would say its between investing in Brandon's or the TAO's.
  2. Crikey BillP, I'm not going to get all of them in one go! Not unless I win the lottery! It would be a very progressive purchasing strategy. I appreciate that they are somewhat speciality eyepieces. Most of my viewing is of stars or planets. I've never even seen a ZAO come up for sale on the secondhand market, so I don't have a clue to there value. Dave
  3. From what I read in the review, the TOA's didn't best the TMB monocentric on axis performance on planets? I certainly didn't read it that way, the way I read it it was very close, with the TMB monocentrics just having the edge. I'd be very interested in reading over reviews of information on the TAK Ortho's If you don't mind sharing? Dave
  4. Well as it goes I might buy a set Mike! That's one of the reasons I'm reading a lot about eyepieces and sharing some of what I find. I was going to invest in a set of Brandon eyepieces. Which I've already started down that road, with my acquisition of a Brandon 8mm. Although I have yet to use it, weather... I'm not so sure about the psychological impact thing, the reviewer in the link did come across as knowing what he was doing. Only using exactly the same focal length eyepieces, same scope, same diagonal, all in the same observing session, and his telescope was a TAK FS128, so a high quality scope. In good to exceptional seeing conditions there is every chance he could see the difference. To me it came across Apples for apples review. I'm not a fan or recessed eye lens either, prefer mine to be flush. Dave
  5. Hi everyone Whilst researching the new Tak Abbe ortho eyepieces, I came across this review, in the review he compares the new Tak Abbe to TMB monocentrics, Circle T Ortho's, and Baader Genuine Ortho's. I used google translate to translate the article from Italian, link is here https://translate.google.com/translate?sl=auto&tl=en&js=y&prev=_t&hl=en&ie=UTF-8&u=http%3A%2F%2Fwww.astrotest.it%2Ftest-reports%2Feyepieces%2Ftakahashi-abbe-eyepieces%2F&edit-text=&act=url All in all a good review, and looks like the Tak Abbe are just above all other Ortho's and only very slightly behind TMB Monocentrics on planets. On a side note, whilst reading on an Australian forum, someone had compared the Tak Abbe's to the Fujiyama ( KK ) Abbes. He placed the Tak's just above the Fujiyama in performance. It's nice to see reports coming in on these eyepieces. Dave
  6. SGL Mini Spring Star Party

    Hope it clears up for you all, still gutted I couldn't make it. Enjoy the pub.
  7. Takahashi 32mm Abbe MC

    Isn't physics physics? I don't think a clever design or glass coating can make up for the fact that less glass means less light loss as it travels through the glass. Technically an Otho will get more light to your eye, and contrast and definition is two of the most critical areas when it comes to planetary viewing. I have had the chance to look through modern eyepiece design, and saw no advantage other than it having a widefield and was sharp to the edge. On the same evening, in the same conditions, the person who eyepiece it was, looked through my scope and otho. Exclaimed how take sharp the stars were and also the deference in the contrast to the back ground. Everybody that has ever looked through my othos and scopes always comment on how good the contrast is..:) I'd say its more critical because of UK seeing conditions to have the eyepiece that maximises your chances of teasing out maximum amount of detail given the seeing conditions. Seeing conditions wont cancel out benefits of an eyepiece design. A better deign in a given moment should reveal more detail. If there really was no advantage to certain designs, then there would be little point in paying huge amounts of money on an eyepiece or favouring a design. Light transmission is the single most important aspect when viewing dso's. If you want to see as much details as possible. Which is why for dso, planetary, and double star I stick with less is more. Everything has it place and everybody has there taste.
  8. Takahashi 32mm Abbe MC

    Perhaps because an ortho should give better contrast on axis, than a widefield eyepiece with more glass in it? Which would be benefical when looking at faint DSO's. Not helpful having only 42 AFOV if looking at big or wide DSO's though. As I guess there is a place for both.
  9. SGL Mini Spring Star Party

    Unfortunately my dog has recently had an operation, which in itself would not have been a problem. The other family member that would of looked after my dog at the weekend, now has to work. So I will have to stay home to look after the dog. If I get a chance I may pop over if that is ok?
  10. SGL Mini Spring Star Party

    Well I've started to get ready, I gave my Vixen Orion P-80L first light last weekend to check its performance for this coming weekend, was not all that impressed when I checked the intrafocus and extrafocus star images, suspected collimation out! So checked the collimation today with my Cheshire eyepiece. The collimation was out by quite a margin. All has been put right! Wahey I get to use my Vixen this weekend Better put it all away this weekend. I will be turning up on Friday night @AstroGnome
  11. Sorry I can't really be of help, but I think that's a brilliant idea, enjoy the road trip. We be good to hear your thought on each planetarium you visit? Sort of blog fashion?
  12. Wow that is impressive! Maybe report it to the BAA. The BAA is the British Astronomical Association https://britastro.org/ .
  13. Do you not know a local farmer or land lord? Which you could ask to do astronomy on there land? That way, you could do a star test outside in a field, where there is plenty of space. Failing that some dark sky sites may provide you with enough distance to do the test.
  14. Hi from Dorset

    Welcome and hello, from another Dorset member
  15. Well as my interest has been sparked by old eyepiece design I have been doing a lot of digging and research. Some folks may find this useful as an eyepiece tool, it clearly states the name, year, and F ratio the eyepieces were designed to work at, although not always strictly, like ball eyepieces can work down to F10 fine. When thinking of making my own ball eyepiece, and also making my own Dollond eyepiece. I remembered I had some Japanese eyepieces that came with my Towa in 0.965" variety. One is a symmetrical Ramsden eyepieces in 4mm, 6mm and 9mm Huygens, one is what I take to be a Kellner in 22mm ( has the designation of Ke22mm ) . I also have what I think is two microscope eyepieces which are the same, which I'm not even sure who made it? It has 6X on it. The focal length of a microscope is 250mm. So 250/6= 41.66. So it would be equivalent to 41.66mm focal length eyepiece. Needless to say I have ordered a 1.25" to 0.965" Baader adapter. So I can try these old eyepieces out in all my telescopes. The glass in all eyepieces look spot on, no scratches whatsoever, and I had cleaned them years ago. Below is a photo of the eyepiece, if anyone can help me identify it? I'd be most grateful.