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Preliminary review of the 18MM Celestron Edge-Ultima

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#26 Mike W

Mike W

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Posted 07 April 2025 - 08:38 PM

I've got the 15mm UFF (Sky Rover branded) and I love it. It's turned out to be a very useful focal length in my various small refractors and it delivers bright, sharp views in a very compact and lightweight package.

 

It's definitely worth trying out, especially if you can pick one up at a bargain price.

 

The design is a scaled version of the 18mm and 24mm models.

Thanks, I think it's already a bargain price....



#27 hfjacinto

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Posted 14 April 2025 - 07:51 AM

Finally had a clear night, so I set-up for viewing. The 18MM Edge Ultra was first in the finder and since the finder is F3.8, the edge view wasn't great. Really no eyepiece is great in the finder, but it gave a really nice view. I did use the finder to look at M44 and I was surprised how much light gathering ability it had.

 

But I also tried the Edge in the 152 MM and it was a great eyepiece, the closest I have is the Delite 15MM and both produced beautiful flat images. The Delite I would say has the Edge wink.gif but its also almost 3 times the cost. The Ultra is a really nice eyepiece, gives great views pretty much to the edge. I saw no ring of fire even on the moon. I would recommend it.


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#28 hfjacinto

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Posted 14 April 2025 - 07:52 AM

Pictures of the setup

 

Attached Thumbnails

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Edited by hfjacinto, 14 April 2025 - 07:53 AM.

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