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Alien 13

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Everything posted by Alien 13

  1. I am loving the Samyang images, the only thing I can think of that might be better than this lens is an array of 2, 3, 4, 5 or more of them Alan
  2. I am sure there are lots of users and with the popularity of camera trackers now like the SA it is an ideal match... Alan
  3. I have considered one of these but it offsets the camera which might be fine for widefield panos but limited for my closeup work so would need major modifications too. Alan
  4. Interesting project, I have thought about getting a virtuoso as the basis for a DIY camera mount but would need to have it operate over wi fi and reduce its size to a minimum.... Alan
  5. Nothing to loose then, you can set it up as a dual boot if you wanted, I did that with my old Dell XPS laptop. Alan
  6. Get win 10 on it, dont be tempted by the dark side young padowan... Alan
  7. I would have the Questar too over any other scope even those TAK thingies, I do have its poor relation though... Alan
  8. I expect its early days for this scope but it was announced as the sharpest 250 mm lens but that doesn't mean it can get anyway near the Sammy 135mm or even the Canon 300mm. Alan
  9. The comment was a bit tongue in cheek but have noticed that highly regarded lenses like the Samyang 135 f/2 with a measly 11 elements still manages to control collimation to a very high degree, I wonder whats their secret? Alan
  10. The number of elements shouldn't be a problem these days, camera lenses can have 19 or more and they do alright... Alan
  11. The back focus distance is normally standardized with T rings and matching cameras at 55 mm, for instance Canon have a flange to sensor distance of 44 mm so the T adapter ring is designed to be 11 mm thick. The micro 2/3 has the sensor much closer to the flange so the matching adapter is quite deep but fine for the job. The baader one looks a bit over complicated but there are plenty of the standard type around. Alan
  12. I am sure the capsule was designed for "non astronauts" so that anyone can be sent up eventually... Alan
  13. I still chuckle when people have a look at the moon through my 90mm Mak, their look of shock is priceless... Alan
  14. I like the wedge shown in that video too. Alan
  15. True but it is supposed to be the worlds sharpest 250 mm lens Alan
  16. Thanks Ray, manual focus camera lenses do fine on portable rigs and provided the focus ring on this one is smooth and without slop etc it will be a winner. Alan P.S. As it will no doubt be cloudy during your testing it would be nice to know how it does perform as a "camera" lens in the daytime. Alan
  17. I cant see that matters, the scope will probably spend most of its time on portable rigs like the SA and most likely with a DSLR or simple CMOS camera set up for hands on AP. Alan
  18. Looking at one of the videos it seems to suggest that the whole back end comes off including the rotator (not the focusser) which should give more back focus for a diagonal but looks like it needs to be special ... Alan
  19. If you just wanted to check the unevenness of illumination as a percentage you could just take readings from various points on the panel using a Light Dependent Resistor and a multimeter set to K ohms, if you wanted you could calibrate the above with a known light source. Alan
  20. Keep at it, I am am sure it would make a very fine "video" lens..... Alan
  21. They look perfectly framed as if the Cat was made for Andromeda and as you say would look good with your SA Alan
  22. Its not fair, even the diagonal is RED.......... Alan
  23. I dont see an issue with you or any of your team supplying additional factual information though for example configurations that work and those that dont etc. Have to say also that this is one product that has my wallet sweating and not just for imaging, it could make a smashing wide field visual setup for those who cant get on with binoculars.. Alan
  24. Loving this thread but I wish someone could make a printer that could fit in a 4 inch cube, how hard could it be? Alan
  25. It might still work if shooting in video mode which could be handy for Luna or Planets.. Alan
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