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ahlberto
sage
Reged: 09/06/08
Posts: 363
Loc: lisbon-portugal
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Nagler 26 on C8.A good choice?Can you tell me if it works properly on the C8 or it will vigneting?
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CELESTRON C8
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hudson_yak
Pooh-Bah
Reged: 11/15/07
Posts: 1105
Loc: Hyde Park, NY, USA
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It's well-matched to the C8 as far as vignetting goes, you won't see any. Similar to the Pan 35 in true FOV (Pan 35 a bit more).
Picking one over the other depends on your preference for ultra-widefield eyepieces in general, mostly. Each one has their proponents, though I think most choose the Pan 35.
Mike
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Meade 8" LX10
Orion ED100 + Losmandy GM-8 + Berlebach UNI 24
Meade 12" LightBridge
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ahlberto
sage
Reged: 09/06/08
Posts: 363
Loc: lisbon-portugal
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No one?!
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http://www.atalaia.org/index.php
CELESTRON C8
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Lane
Pooh-Bah
Reged: 11/19/07
Posts: 1494
Loc: Frisco, Texas
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The 22mm Nagler works great in the C8.
The 35mm Pan works great in the C8.
So my guess would be the 26mm Nagler will be a sweet eyepiece in this ota. It is probably the next eyepiece I will be purchasing too.
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CGEM, ORION SIRIUS, AT Voyager
OTAs: C6, C8, C9.25, C11, Pronto, ED80
Orion 9x63, Fujinon 10x50 & 16x70
Ethos 13, 17 Nagler 9t1,12t4,16t2,22t4 Panoptic 27,35
Antares 1.6x, TV Powermates 2x & 4x, TV Barlow 3x, TV Plossl 8,11,13
Baader Hyperion 21, 8-24 Zoom, UO HD Ortho 6,7,9,12,18
TMB Planetaries 3.2,4,5,6,7,8, Pentax XW 10,14,40
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coutleef
Carpal Tunnel
Reged: 02/21/08
Posts: 1706
Loc: Montréal and Saint-Donat, Québ...
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I must admit that i never considered buying that EP. Got a 35 pan for low power viewing and then went down to pan 22 that i sold (unfortunately) for a 17 E (that i like). The 26 would be an expensive EP that i easily replace by using my focal reducer on my powerswitch with my 17E. That gives me a 26mm E that i prefer over a 26 nagler.
The Denk powerswitch was a good investment.
I am not sure many C8 users will own that nagler. Could be better when used in the city to have a darker background than the 31T5 or pan 35
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François
Scopes: Nexstar 8 SE with Ron's rail and Denk S1 Powerswitch. EPs list is on my Bio.
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Lane
Pooh-Bah
Reged: 11/19/07
Posts: 1494
Loc: Frisco, Texas
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I like owning extra eyepieces in the long focal length range. This is where I am using nebula filters most of the time. I find it very handy to keep filters attached to some of the eyepieces all night, rather than contantly removing and putting them on. I use the 40mm visually most of the time and keep my DGM NPB on the 35mm. I have also been keeping the Baader UHC-S on the 22mm and then using the 17E for visual because they have the same tfov. If I had the 26mm I could keep my OIII on it all the time.
I suppose it would be better to have a 2" 4 position manual filter wheel, but no one makes one of those. They only make them for AP and they are all computer controlled.
The lumicon filter slider is not a good idea because the filters get dew all over them.
And the denk only holds 2 filters and cannot be put in one spot, it moves with the diagonal, so it hits the feathertouch microfocuser knob and that severely limits eyepiece postioning on a gem.
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CGEM, ORION SIRIUS, AT Voyager
OTAs: C6, C8, C9.25, C11, Pronto, ED80
Orion 9x63, Fujinon 10x50 & 16x70
Ethos 13, 17 Nagler 9t1,12t4,16t2,22t4 Panoptic 27,35
Antares 1.6x, TV Powermates 2x & 4x, TV Barlow 3x, TV Plossl 8,11,13
Baader Hyperion 21, 8-24 Zoom, UO HD Ortho 6,7,9,12,18
TMB Planetaries 3.2,4,5,6,7,8, Pentax XW 10,14,40
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spencerj
professor emeritus
Reged: 11/17/04
Posts: 631
Loc: Raymond, NH
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I recently purchased a used C8. Haven't really had a chance to use it much--schedule and the clouds. I have a 26mm T5. I used it briefly in the C8 and thought is was a fantastic match especially for DSO observing. I like the 2.6mm exit pupil and 75x and just over a degree of sky frames a lot of objects nicely. The eyepiece is comfortable and sharp and really has an emersive feel.
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--Jason
"I am the victim of a series of accidents, as are we all." --Kurt Vonnegut Jr.
Intes-Micro MN66 with Moonlight CR1 focuser
TeleVue 102
PST
Unistar Deluxe with TeleVue Sky Tour
CG-5 ASGT (quieted and tuned-up by Trapezium Telescopes & Services)
10" Orion Dob
WO 66 SD (stays in my truck for spontaneous observing sessions)
15x70 Oberwerk Binos
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MitchAlsup
super member
Reged: 08/31/09
Posts: 184
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I have used a 31mm Nagler on a C8. It works just fine with just a tinge of ight fall off near the edge.
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cuir
Pooh-Bah
Reged: 03/03/07
Posts: 1132
Loc: Up north.
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It's an excellent fit. Go for it. Though I do not own one myself, It is, without doubt, one of the best eyepieces I've ever looked through. It is an outstanding piece of glass. 
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Seb
Eyepiece spreadsheet v6.8
Choosing the right eyepiece
Main scope: 150mm Maksutov
Scnd scope: 200mm Schmidt-Cassegrain
Favorite ep: 24 Panoptic and 11m T6 Nagler
Pref'ed filters: Lumicon 0III and UHC
Mounts: EQ6-Pro and Skyview AZ
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Takman
super member
Reged: 02/25/09
Posts: 189
Loc: Maple, ON - Canada
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I have the Nagler 26mm and have used it on my C8. I've never noticed any significant vignetting.
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Takahashi TOA-130F
Celestron C-11/C-8 with FASTAR
William Optics Zenithstar 66 SD/ED Petzval
Astro-Physics Mach1 GTO/Celestron AS-GT
TeleVue Naglers 26mm, 13mm, 7mm and 3.5mm
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