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greenough1
super member
Reged: 01/04/08
Posts: 176
Loc: Livermore, CA
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I've got all of the Agena SWA's and I'm very happy with those. My seeing doesn't support much more than 8mm EP (6mm rarely), that's why I was looking for something in an 8mm and that's why I was looking at the 8mm WA, but as I said, it's never in stock.Best, jeff
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Orion XT6i (f/8) w/ COL
Philips SPC900
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j3ffr0
super member
Reged: 07/06/08
Posts: 153
Loc: Virginia
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I bought a used Expanse 20mm. I was happy enough with it to buy others that. They are plenty good for the money. I plan to use these when I don't want to risk pulling out the fine crystal.
You can find them used from time to time for a little over half price.
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10" Dob
127mm Mak
PST
35, 24 Pans; 13, 9 Nags
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Paul_R
Carpal Tunnel
Reged: 04/05/05
Posts: 1645
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Just a cautionary note, which I know doesn't apply to the OP's longer f ratio scope, but the 20mm Expanse (and clones) do not do well at fast f ratios such as f/4. Pretty good at f/5.4, but not for the fast lane. I mention that in case anyone stumbles across this thread.
By contrast, the 22mm Orion Epics and 18mm Celestron X-cel were quite good, even at f/4. People who don't wear eyeglasses often have trouble with blackouts (optical kind  ) And some people dislike the short focal length versions of them, but some of us like most of them (save, for me, the 14mm Epic which is the odd man out in the series and didn't work as well).
As this is coming from someone who has been Pentaxified.
The 9mm Expanse (and the 6mm for that matter, too) are much better than the 20mm at fast f ratios (they have the Smyth lens or some such built in... so they are more like barlowed eyepieces). Eye relief is almost passable for glasses, too, on those! But put some rubber on the top or your glasses will get scratched!
I really like this thread because of its focus on budget friendly, family friendly eyepiece buying... all too often we drift rapidly into advising the people spend the green on the green! (Or at least extolling the virtues of being Naglerized, Ethosnized, etc.)
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JasonNB
member
Reged: 11/21/06
Posts: 98
Loc: Spring Hill, TN
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I agree with you Paul. While it may be because I have never looked through an Ep that cost more than the one hyperion I own, and since my observing time is low compared to most, I have no desire to spend the $$$ for Naglers and such. I kind of enjoy fishing for ep's that are great performers without the price tags.
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Zhumell 8" Dob
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