Telescope-Telescope Adapters-QHY M54 All-in-One-Kit for All QHY Cooled CMOS Cameras

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1. Mark Verified Buyer – 6 October 2023

   The description says this is a universal 54mm kit. However, most of the spacers are 2″ ID and will not fit over a 54mm thread.
   The purpose of this kit is to be able to use many of the QHY cameras. I have a 2″ QHY filter wheel, and it has 54mm threads. The QHY-174-GPS camera has 42mm internal threads same as many other including ZWO cameras. So

   the issue is connect the QHY 42mm camera to the 54mm QHY filter wheel. I got one of the 42-54mm adapters and when screwed in, it came into contact with the filter wheel and would not let it spin. OK, 54mm spacer kit, that should do the trick. Only ONE of the spacers would go over the 54mm and that was the 0.5mm, the rest of them have 2″ (50.8mm) inside diameter. There are a couple of other useful pieces but most of them have no use. You are better off buying the individual commponents.