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Message: <blockquote data-quote="Binastro" data-source="post: 3584699" data-attributes="member: 111403">I wonder if Baader Optical Wonder fluid is banned in the U.S. or just air transportation.I presume that if a U.S. University or U.S. Professional Observatory wanted some they could get it.We imported and exported a lot. But we always used forwarding agents, who dealt with all paperwork.Also there were extensive bonded warehouses that kept spirits and all other trade items.Britain has been a trading nation for centuries.I wanted an i3 image intensifier eyepiece from the U.S. but it was very expensive. I dithered because of the expense. By the time I was seriously considering it, it had been put on the list of restricted products and needed an end user licence. This was given to U.K. research labs but not the public.I suppose the Fujinon night and day binocular that uses interchangeable eyepieces, optical and image intensifying, has restrictions regarding import. I think only Generation 2+ are allowed for the public.These binoculars are upward of £10,000.We also wanted to send abroad a very specialised U.K. made optical item, but again this was not allowed, being banned from foreign sale without the very strict licence.A family member was able to consume the 96% vodka. I didn't touch it. I think it more or less vapourises but I am not sure. It is I think actually 95.6%.I needed pure alcohol to clean a telescope mirror and I managed to get a tiny amount, although this was under supervision.By the way, how does one clean image intensifier eyepieces?I suppose a bottle of Baader Wonder fluid could be carried in a diplomatic bag of a keen birdwatcher and diplomat.</blockquote>

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