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johninderby

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Everything posted by johninderby

  1. One problem to be aware of with using a lazy susan bearing is it will turn too freely. You may want to add some friction. I found using teflon pads as in a standard dob setup and shimming to just add some resitance to turning helped and made the movement smoother.
  2. Have a pair of matt stainless steel clamping knobs if you want to upgrade the knobs. The stainless knobs make it much easier to tighten the clamp. The knobs are M8 thread and were nearly £30.00 from WDS Ltd. Will sell the knobs with the saddle for an extra £15.00 or £20.00 if sold seperately.
  3. Altair TMS Heavy Duty Losmandy / Vixen Saddle Clamp As new. Was going to use with a Rowan AZ100 but now that they will be offering a dual fit saddle the Altair is no longer needed. WITHDRAWN Heavy duty saddle plate which is compatible with both the Vixen/Synta-format telescope mounting bars, or the Losmandy-format wider mounting plates. This all-in-one design means you don't have to change clamps for different telescopes, making your mount more compatible. Payment by PayPal (buyer pays fees) or Bank Transfer. John
  4. The problem with trying to use the baseplate from one brand of focuser with another ficuser body is that most focuser bodies have slightly different fitting. This begs the question why don’t all focusers have a common size of fitting?
  5. A question for Steve. Any idea on availability of the dual fit saddle for the Rowan AZ100?
  6. Thank you Keith for your comments and some good points made. Always interesting to hear the view from the “other side”.
  7. I have to correct you there. I have tried a number of binoviewers on some very fine scopes and despite being “optimised” still prefered the one eyed observing. And it’s not just me. Many very experienced observers have found they don't like binoviewers. It’s just a matter of personal preference that’s all. They may work for you but not for everyone. Peoples eyesight does differ so you can’t make the sweeping assumption that your opinion is correct for everyone..
  8. Yes the ADM are a matt finish that that wouldn’t match the mount. Hopefully the Altair dual saddle that I already have will match. Did replace the stock knobs with some stainless steel ones that are far easier to tighten up.
  9. I’ll be using an Altair dual fit saddle and Rowan have provided plenty of mounting holes so the ADM should be fine. They have added a couple of M8 holes on an 80mm centre that aren’t shown on this drawing.
  10. And inside the box a stereo inspection microscope. Will be used mainly for my model making but also useful for soldiering. Comes with two sets of eyepieces and has two LED lights.
  11. Yes Alan I am indeed looking forward to receiving my AZ100. I’ve dealt with Rowan before for some non astro bits and they were very accommodating in making changes to suit me. Good old British engineering. Those Americans on CN will be so jealous.
  12. A box arrived this evening. No it’s not a telescope but does have eyepieces and an R&P focuser.
  13. I’ve heard nothing from FLO lately about my order so assume it’s not yet for sale. Wouldn’t be surprised if they are taking orders at the show though.
  14. Why observe with one eye? In my case I just find it more comfortable and easier. But as I have said before some people just don’t get on with binoviewers and I’m one of those that doesn’t. Bins during the day I can manage but at night just don’t like them at all as they give me eyestrain and a headache and find they don’t improve the view one little bit so why bother. But if binoviewers work for you why not use them.
  15. Seems a better built and heavier duty mount so not so much as competition for the Losmandy AZ8 but an alternative if you want something that’s a step up from the AZ8 .The AZ8 is a cheaper alternative.
  16. Hi The weather has been so bad haven’t had much chance to get it out very often but here is the thread I’ve started on it. Very promising and cools down surprisingly quickly. The other night I had it out to observe the moon as was impressed by how good the views were with no cool down time at all. I would say less than an hour is needed to cool down properly. Also dew doesn’t seem to be a problem. Will take very high magnification and found a 4.5mm Baader Morpheus was useable if seeing is good. So everything has been very positive so far.
  17. I can’t help comparing it with the photography magazines. Yes it’s a vastly bigger market but a number of magazines have been successful in catering for the beginners market. Maybe that’s the way forward for astronomy magazines and perhaps one oriented towards the beginner could succeed. I do feel that astronomy magazines could disappear completely if they don’t take a fresh approach.
  18. When does an astro imager stop being an amateur and become a pro? Is that a fair question or not? Can’t blame mags from wanting to showcase the best but perhaps they are not including enough of the beginners efforts?
  19. Ultima Thule is now known as 486958 Arrokoth on account of Ultima Thule also being the name of the Aryan race’s (Nazi) mythical homeland.
  20. And there is the problem of unequal light splitting which does vary among brands. Even the best aren’t 50;50 on each side. Some of the poorer ones are only 60:40 though which might explain why some people find certain brands just don’t work well for them. I wonder if how well some peoples eyes compensate for brightness differences side to side affects their perception of overall brightness?
  21. Any updates on an availability date yet or has the weather scuppered beta testing?
  22. Tell me something I don’t already know. condescending adjective having or showing an attitude of patronizing superiority.
  23. All electrical goods sold in the UK (except for shavers and toothbrushes) are supposed to come with a UK plug fitted. The plugs and sockets etc (safety) regulations 1994 http://www.hse.gov.uk/foi/internalops/ocs/400-499/oc489_6.htm
  24. Alll standard tripod heads are attached with either a 1/4 or 3/8 photo screw. If the tripod has a 1/4 screw you might need a 1/4 to 3/8 adapter to fit the mount. You need a reasonably strong tripod though.
  25. I live in the most centrally located city in the UK which is also the most central population wise with an equal amount of people living north and south and east and west.........Derby.
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