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plyscope

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  1. These new APQ Jena refractors may be the current state of the art for refractor development. https://apq.de/en/ In America the latest development at least for visual observers is the Agema doublets. https://www.agemaoptics.com/
  2. I am not too worried about slow motion controls. With such high quality and precision and the adjustable tension with low stiction I expect it will be fine. Besides I already have the AZ100!
  3. Here is some insight into Takahashi Fluorite triplets and doublets. http://www.astrosurf.com/ilizaso/Takahashi FCT-100/FCT.htm http://www.astrosurf.com/ilizaso/Takahashi FS-102/FS.htm
  4. I found this on Zeiss history; http://www.company7.com/zeiss/history.html
  5. Holger Merlitz has some Astro Physics historical catalogues from the 80's and 90's. http://www.holgermerlitz.de/A-P_database/A-P_catalogs.html
  6. I've not seen a CN 212 but I am a big fan of Ed Ting and his website!
  7. I have owned a TV60 for over 10 years. It is a wonderful scope for travel and quick look viewing. If you only want three eyepieces for the TV 60, I recommend the Panoptic 24mm, the Nagler 9mm and the 3-6mm Nagler zoom. The 3-6mm zoom covers all high mag conditions and allows you to get the best out of the situation. I have used a Vixen HR 2.4mm but there is little gain unless the conditions are absolutely perfect. I think the 4mm Delite would be fantastic however the 3-6mm zoom is just more versatile.
  8. Toshimi Taki from Japan has an interesting wooden tube reflector. http://takitoshimi.starfree.jp/ Thin plywood can be very effective and save weight. I have made octagonal refractor tubes with 4mm and 3mm marine grade plywood. This is a thread from a few years ago on Cloudy Nights. https://www.cloudynights.com/topic/325327-5-f12-istar-refractor-project/
  9. This is an old model from 10 years ago. I wonder if they found some old stock? https://www.cloudynights.com/topic/216156-comparing-go22x85-wo22x70-tak22x60/#entry2765948
  10. There was a bit of discussion on CN but no actual user reports as yet. https://www.cloudynights.com/topic/680211-new-chineese-giant-binoviewer/
  11. Maybe the people at Quicktest could offer advice. https://www.quicktest.co.uk/
  12. You could try this link; https://www.quicktest.co.uk/acatalog/Binoculars.html
  13. Thanks very much Ben for taking the time to share your thoughts and for illustrating the differences with all the photos. My poor old lap top struggled to load them all! It is wonderful to see that some manufacturers are still making improvements to porro binoculars.
  14. Thanks for sharing your first impressions Ben. I too look forward to your comparison. I am particularly interested in the difference in eye relief compared to the 10x50 MX. Many years ago I had a different brand 10x50 equivalent to the MX and enjoyed it very much except for the large eyepieces becoming uncomfortable after a minute or so. A little more eye relief would make them so much easier to live with.
  15. I have one of these since they came out a couple of years ago. It is very well made with great coatings. The field stop is a little fuzzy and it is does not have very good edge correction compared to a 24mm Panoptic. Its big advantage is in its lightweight and better eye relief than a 24mm Panoptic. It has no undercut which I like. It is ideal in a lightweight turret setup especially with an f8 or f9 refractor. It is not ideal in fast scopes. If I could choose only one then the 24mm Panoptic is better.
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