Which major telescope manufacturer issued a significant product recall in 2016 due to faulty mirror coatings that degraded rapidly when exposed to humidity?

The astronomy industry has seen its share of product recalls over the years as manufacturers strive to provide amateur and professional stargazers with accurate and reliable equipment. From telescope manufacturing defects to software glitches in star-tracking systems, these recalls have sometimes significantly impacted astronomical observations and research. Test your knowledge about one of the most notable product recalls in astronomy equipment history!

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Celestron, affecting their EdgeHD optical tubes
Meade Instruments, affecting their LX200 line
Orion Telescopes, affecting their SkyQuest Dobsonian models
Takahashi, affecting their FSQ refractor series