Astro Essentials 2-inch Compression-Ring adapter for Sky-Watcher Newtonians and 72ED Refractor (M54)
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 Astro Essentials 2-inch Compression-Ring adapter for Sky-Watcher Newtonians and 72ED Refractor (M54)Astro Essentials 2-inch Compression-Ring adapter for Sky-Watcher Newtonians and 72ED Refractor (M54) 

Astro Essentials 2-inch Compression-Ring adapter for Sky-Watcher Newtonians and 72ED Refractor (M54)

£39.00
  (32 Reviews)
✓ 2 year warranty

:  

54x in stock shipped 1-2 working days

About this product

Model:  ae_adptr_1017

Screws directly to the M54 thread on the Sky-Watcher Newtonian or 72ED refractor focuser drawtube.

The brass compression ring firmly grips any accessory with a 2" nosepiece.

Optical length 12mm.

Easy to fit: Unscrew the existing eyepiece/accessory holder, then screw this one on. 

Also suitable for equivalent Celestron and Orion telescopes. 

Customer reviews

Average Rating (32 Reviews):  
Write a Review and share your opinions!

Rating (max 5):  
Sky Watcher compression ring
03 June 2024  | 

I had previously fitted a Baader clicklock EP holder to my SW250PDS telescope which was great for visual astronomy but due to its thickness meant I could not reach the correct backfocus for imaging with a coma corrector and the original holder tends to tilt the image train so the SW 2" comp-ring adaptor has saved the day and works really well.


Rating (max 5):  
Must have for Skywatcher PDS
23 May 2024  | 

Bought to replace the grub screw ring on my 130pds after someone recommended I replace it. No tilt issues with this, and very good quality build. Feels like strong metal unlike the ring that came with the 130pds.


Rating (max 5):  
Great item
20 April 2024  | 

Bought to replace the horrible grub screw adapter on my Orion XT8+. When I opened the packet the brass compression ring was so loose it fell out but all you need to do is open the brass ring a bit more so it has some resistance when you insert it back into the adapter then it's perfect! I also use a bit of ptfe tape on the threads for the snug nipped up feeling.


Rating (max 5):  
Quality control seems poor
21 February 2024  | 

I wanted to use this o replace the non compression fitting on my 130PDS, however the threads aren't right, it slides 90% of the way in without catching thread only attaching with less than a full turn, I'm not trusting my filter wheel and camera to that. My skywatcher OE adapter fits perfectly but one or the other has incorrect threading.


Response:

We will double check your returned one but we have tested others from the same batch and they fit and work as intended so this was either a one off or a tolerance issue with your particular scope.


Rating (max 5):  
Fast delivery
01 February 2024  | 

I bought a StellaLyra 30mm Ultra Flat Field 2" Eyepiece to use in my Skywatcher 200p Newtonian. The eyepiece does not fit securely into the 2 inch focuser. This replaces the skywatcher assembly. The band means no marks on the eyepiece which is good and it also feels more secure and centralised. if you have the same scope and eyepiece as myself you may feel happier with an extension tube also, as the eyepiece has to be out as far as possible to focus. I am just a little worried I may be able to knock the eyepiece out.


Rating (max 5):  
AE compression ring adapter
29 December 2023  | 

Great little adapter especially if you want to keep your eyepieces and equipment unmarked. Screws onto the focuser easily. Delivered speedily by FLO.


Rating (max 5):  
Perfect
30 November 2023  | 

Works great on my 130PDS. Threaded on fine and doesn’t leave marks on my accessories.


Rating (max 5):  
Perfect fit
26 October 2023  | 

This ring will fit perfectly and won’t do any damage to your gear. And it will also help with collimating.


Rating (max 5):  
Good quality
20 October 2023  | 

Not had chance to use the telescope I got this for yet, but this is well made and much better than the stock one on the 72 ed pro - at least in my head I feel safer with this!


Rating (max 5):  
Astro Essentials 2-inch Compression-Ring adapter for Sky-Watcher Newtonians and 72ED Refractor (M54)
30 June 2023  | 

Perfect !!!


Read all 32 customer reviews...

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