radsdad
super member
Reged: 11/05/06
Posts: 116
Loc: Southern California
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Due to good reviews, and not owning any quality eyepieces, I just ordered the Hyperion 17 for use with both of my ETXs. I debated between it and the 13, hope I didn't make a mistake there... I had a $10 off offer from telescopes.com, so I got it for only $89, which seems a very good deal.
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Meade ETX-125AT UHTC and ETX-60AT
Zhumell 20x80 Supergiant Binoculars
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kenn
sage
Reged: 12/14/07
Posts: 354
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I love my Hyperions... I think you will be very pleased. What are you putting it in?
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Ken
CPC 925
Hyperion 13, 17 and 24mm
Seibert 36MM Observatory
Burgess 9MM
TeleVue 11MM Plossl
SPC900NC Web Cam Imaging Setup
... And still trying to figure it all out.
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radsdad
super member
Reged: 11/05/06
Posts: 116
Loc: Southern California
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I've got an ETX-125 and an ETX-60, not sure what mags it'll give me in the two scopes, I'll have to look that up. Do you have the adjusting rings to use with your 24? I may order one or both, but I'm wondering what the downsides are to using the rings, and how simple it is to switch them on and off the lens.
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Meade ETX-125AT UHTC and ETX-60AT
Zhumell 20x80 Supergiant Binoculars
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kenn
sage
Reged: 12/14/07
Posts: 354
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The 24, for some reason, hasn't gotten here yet. On the 125, that 8-24 zoom is pretty darn big. I suspect it may be a bit "big" for your 60, but I'm not one to advise. My 125 is front heavy enough that the 8-24 zoom helps balance it out. If the ETX60 is the same, it may be alright.
Keep in mind that the difference between 20 and 24 on the eyepiece is negligible. I don't use the 24 at all. If I'm going to zoom out that far, I just grab my 24 super plossl and pop it in. I grabbed a 24 for that very reason.
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Ken
CPC 925
Hyperion 13, 17 and 24mm
Seibert 36MM Observatory
Burgess 9MM
TeleVue 11MM Plossl
SPC900NC Web Cam Imaging Setup
... And still trying to figure it all out.
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KWB
Postmaster
Reged: 09/30/06
Posts: 9268
Loc: Westminster,Co Elev.1646Meters
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These size eyepieces cause my ETX-70 grief. Unsuccessful alignments and when aligned without by inserting one I start to get tracking inaccuracy.
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Kenny
"Two things are infinite: the universe and human stupidity; and I'm not sure about the the universe." - Albert Einstein
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radsdad
super member
Reged: 11/05/06
Posts: 116
Loc: Southern California
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Do you think it's the weight? If so, my ETX-60 will likely suffer from the issue as well. However, I think the ETX-125 is nose heavy, and I'm hoping the much heavier eyepiece may actually help the balance of the scope. 
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Meade ETX-125AT UHTC and ETX-60AT
Zhumell 20x80 Supergiant Binoculars
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KWB
Postmaster
Reged: 09/30/06
Posts: 9268
Loc: Westminster,Co Elev.1646Meters
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To be honest when I had the 125 I didn't have any of these larger type eyepieces on hand. Now with my ETX-70 I do have larger eyepieces available and I'd say it is the weight of the eyepiece causing the issues with my scope. My recently departed 15mm TV or 20mm Antares"plossl" worked with this scope like a champ. I don't think it's any sort of a stretch to say these little plastic telescopes were not designed with 1 pound eyepieces in mind.
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Kenny
"Two things are infinite: the universe and human stupidity; and I'm not sure about the the universe." - Albert Einstein
Edited by KWB (01/04/08 10:42 PM)
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kenn
sage
Reged: 12/14/07
Posts: 354
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Another question is whether you are running on the internal batteries. They suck. After switching to an external power supply, my slews are smoooooooth. I haven't seen any slewing issues with my 125 and the 8-24 zoom but I would imagine that is because it is quite front heavy to begin with. If the ETX60/70/90 aren't front heavy, I suspect attaching a grenade to the back end is going to wreak all sorts of havoc on the goto alignments...
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Ken
CPC 925
Hyperion 13, 17 and 24mm
Seibert 36MM Observatory
Burgess 9MM
TeleVue 11MM Plossl
SPC900NC Web Cam Imaging Setup
... And still trying to figure it all out.
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radsdad
super member
Reged: 11/05/06
Posts: 116
Loc: Southern California
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It sounds like the new Hyperion will be just for the 125 then...
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Meade ETX-125AT UHTC and ETX-60AT
Zhumell 20x80 Supergiant Binoculars
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DNTash
scholastic sledgehammer
Reged: 09/02/07
Posts: 762
Loc: India
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No slewing issues here either with the 8-24 Hyperion zoom on my ETX-90, though it does churn a bit. I usually find the object with a smaller lens, then put on the zoom. I'm using the internal batteries, and would surely benefit from a power tank.
The only real issue that I have had was that the big zoom sat down so low on the EP holder, I was having trouble tightening the screw to hold it steady. I ended up simply cutting the bottom out of a black 1.25 EP cap, and then cutting it down to about a 1/4 inch circle. Slipped it on the zoom all the way up. The lens now rides a quarter inch higher making it easy to tighten the screw.
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AT 72
TMB 92
Orion 120ST
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