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AlienRatDog
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Reged: 07/15/05

Loc: Ann Arbor
Re: Explore Scientific 3" 30mm Prototype new [Re: JayinUT]
      #5596801 - 12/30/12 07:32 PM
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I am interested in a 40mm eyepiece...would be nice to make an adapter for larger SCT visual backs (I have a 12" SCT, I believe the back is like 3" or something like that)...so special 3" diagonals with large SCT adapter (11,14" celestron scts and >10"Meade SCTs)...I would be all over that!

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rboe

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Re: Explore Scientific 3" 30mm Prototype new [Re: Astrojensen]
      #5597005 - 12/30/12 10:04 PM Attachment (80 downloads)
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This should help....

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herrointment
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Re: Explore Scientific 3" 30mm Prototype new [Re: rboe]
      #5597243 - 12/31/12 12:38 AM
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Ron, I looked at your photo and swore I heard wheels turning.

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faackanders2
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Reged: 03/28/11

Re: Explore Scientific 3" 30mm Prototype new [Re: herrointment]
      #5621481 - 01/13/13 07:21 PM
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Will ES be bringing this to NEAF or any of the shows?

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frebieAdministrator
Chief assistant to the assistant chief


Reged: 04/29/08

Loc: Neither here nor there.
Re: Explore Scientific 3" 30mm Prototype new [Re: faackanders2]
      #5622454 - 01/14/13 10:50 AM
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I would certainly assume so, but you'd need to check directly with them to be sure.

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GeneT
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Reged: 11/07/08

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Re: Explore Scientific 3" 30mm Prototype [Re: frebie]
      #5659078 - 02/02/13 10:59 PM
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For some, OK--for me, no thanks.

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Bart
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Re: Explore Scientific 3" 30mm Prototype new [Re: GeneT]
      #5663325 - 02/05/13 10:44 AM
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I think the point of ridiculous has been reached!

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DaveJ
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Re: Explore Scientific 3" 30mm Prototype new [Re: Bart]
      #5663337 - 02/05/13 10:50 AM
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Quote:

I think the point of ridicules had been reached?



If you mean "ridiculous" I completely agree with you!

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Bart
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Re: Explore Scientific 3" 30mm Prototype new [Re: DaveJ]
      #5664060 - 02/05/13 05:52 PM
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Yes, and I see I made two other mistakes as well.

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Clif
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Reged: 07/19/06

Loc: Perrineville New Jersey
Re: Explore Scientific 3" 30mm Prototype new [Re: JayinUT]
      #5667278 - 02/07/13 03:16 PM
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I figured out by scaling the photograph (taking perspective into account) that the OD of the widest part of the eyepiece is 4.22 inches. Unless you have REALLY widely separated eyes, don't even think of buying two for a binocular.

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faackanders2
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Reged: 03/28/11

Re: Explore Scientific 3" 30mm Prototype new [Re: Clif]
      #5673216 - 02/10/13 10:37 PM
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Quote:

I figured out by scaling the photograph (taking perspective into account) that the OD of the widest part of the eyepiece is 4.22 inches. Unless you have REALLY widely separated eyes, don't even think of buying two for a binocular.



Most 2" eyepieces can not be used for binoviewing either.

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aa6ww
sage
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Reged: 10/23/11

Loc: Sacramento, Calif.
Re: Explore Scientific 3" 30mm Prototype new [Re: faackanders2]
      #5728964 - 03/12/13 08:52 PM
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I think its awesome. Once all the bugs are worked out with adapting it to scopes, I'll get me a set. Good thing I paid off my house last year!!
I have a TOA with a 2.7" focuser, and an APM with with a 2.5" focuser, so at least that ones easy to upgrade, Better still, it should be awesome in my C11 and C14!!!
Bring um on with the big diagonal also!! a 40mm 100deg eyepiece would never stay on the shelfs, even with a $2k pricetag!!

...Ralph

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pbsastro
sage
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Reged: 03/21/07

Re: Explore Scientific 3" 30mm Prototype new [Re: aa6ww]
      #5738095 - 03/17/13 07:10 AM
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Ralph, a 40-100 will not work in a C11 or C14, as they are limited to a 53-55mm illuminated field. The 30-100 has a 52mm field. A 40-100 will have a 70mm field. Even refractors with 1200+ focal length will start to show field curvature and other aberrations at the edge. You will have to go with 1600+ focal length.
If you want 40mm for the C14/C11, with the same 52mm field, that would be 40-75, but close to that we already have the XW40 and Pan41 with field of 46mm.
That said, the 30-100 will be awesome in the C14HD or C11HD.

Edited by pbsastro (03/17/13 07:12 AM)

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gatorengineer
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Reged: 02/28/05

Loc: Hellertown, PA
Re: Explore Scientific 3" 30mm Prototype new [Re: faackanders2]
      #5758787 - 03/26/13 06:13 PM
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I bino view Ethos 17's.... with a Siebert 2" binoviewer. The explore 9 120 is too big, as is a terminagler.

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