Since the factory doors are closed, your best bet is the secondary market or remaining third-party stock:

For decades, sold directly through their official website, telescope.com. However, in mid-2024, Orion's parent company (Optronic Technologies) ceased operations and filed for bankruptcy. This means buying "brand new" directly from the manufacturer is currently not an option. Where to Find Them Now

Sites like Cloudy Nights Classifieds or Astromart are the gold standard for well-maintained gear.

Orion was a massive brand; they frequently pop up in local hobbyist auctions.