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JimK
Skygazer
*****

Reged: 09/18/05

Loc: Albuquerque, NM USA
Questar and Non-Brandon Oculars new
      #6386857 - 02/20/14 01:47 PM

Here's a small update to some information on which oculars can accommodate the optics of the Questar finder and come to focus (note that no additional oculars were found to attain focus in the Questar finder). The hardest part is getting new information for this listing (any help is appreciated). The previous file is in the archives section (click here).
= = = = = = = = = = = = = =
By vendor, focal length (mm unless otherwise stated), type
= = = = = = = = = = = = = =
These oculars come to focus in the finder:

Questar/Vernonscope 32,24,16,12,8 Brandon
- - - - - - - - - - - - - -
Celestron 36,26,17 silver top (80's) Plossl
Celestron 8x50 (orange) finder cross-hair eyepiece (0.965")
Kinoptique Clave 16,10,8 Plossl
Edmund 1-1/8"
TeleVue 32,26,25,20,21,17,13,10.4 Plossl
Televue 24,19,15 Panoptic
TeleVue 19 wide
Televue 4.8 Nagler
Unitron 25 Huygens (0.965")
Unitron 18,12.5 Kellner (0.965")
University 16 (70's) Koenig
University 28,10.2,6.8 (70's) pro series ortho
= = = = = = = = = = = = = =
These oculars come to focus in finder if "pulled out some"

Cave 25 ortho
Celestron/University 40,25 Kellner (25 can/may have cross-hairs)
Celestron 20 Erfle
TeleVue 40
University 25,18 ortho (volcano top)
University 12 Koenig
Vernonscope 7/8",3/4" Brandon
= = = = = = = = = = = = = =
These oculars do not come to focus in finder (all work well in scope)

Astro-Tech 8 flat field
Astro-Tech 25,15,12,8 paradigm/ed
Cave 16,10 ortho (OrthoStars?)
Celestron 35,30,18,12.5.7.5 ultima
Celestron 18 Kellner
Celestron 12.5 ortho reticle
Celestron 7 ortho (both flat and volcano tops)
Celestron 24-8mm zoom
Celestron 18-6.5mm deluxe zoom
Clave 20,10,6 Plossl
Edmund 28,21,15 RKE
Meade SuperWide 24.5,18
Meade 20 wide
Meade 20 RG Erfle
Meade 12.4 Erfle
Meade 8.8 UltraWide 4000 (rubber grip)
Orion 9.5 lanthanum
Pentax 12,8.5 XF
Pentax SMC orthos (all?)
Pentax XPs (all?)
Pentax 14,10 XW
Pentax 7
Siebert 7.9 StarSplitter
SmartAstronomy 25.1,17,12.5 Sterling Plossl
Televue 22 Panoptic
Televue 14,18 (others?) Radian
Televue 13,12(T4),9,7(orig) Nagler
Televue 9(orig) Nagler
Televue Type 2 Nagler (all?)
Televue 6-3mm zoom
TMB SuperMono 1st run (all?)
University 24 Koenig
University 20,16 super Erfle
University 12.5,9 ortho
Vixen 24-8mm non-click zoom (Televue too?)
Vixen 10,5 lanthanum (not the new wide)
Zeiss Abbbe Ortho-II (all?)
= = = = = = = = = = = = = =


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cbwernerModerator
Pooh-Bah


Reged: 08/27/05

Loc: Maidens, VA
Re: Questar and Non-Brandon Oculars new [Re: JimK]
      #6387727 - 02/20/14 10:00 PM

Jim,

Great job, and thanks for sharing!

I realize we're up for big changes to the forums, but is this something someone could sticky?


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Mike E.
Carpal Tunnel


Reged: 01/26/10

Loc: Moonstone Observatory
Re: Questar and Non-Brandon Oculars [Re: cbwerner]
      #6388195 - 02/21/14 06:47 AM

Yes, thank you!

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John F
professor emeritus
*****

Reged: 02/16/04

Loc: Washington State
Re: Questar and Non-Brandon Oculars new [Re: JimK]
      #6464972 - 04/14/14 01:00 AM

Some other Tele Vue eyepieces I can confirm work fine in a 3.5-Inch Questar are the: 16mm T5 Nagler, 13-11-9mm T6 Naglers, 12-10-8mm Radians. With respect to all of the above eyepieces I'm just saying that they work fine in regular viewing mode but I can't say for certain that they do or do not work okay in finder mode. The only two eyepieces I have that I ever use is finder mode are the 24mm Brandon and the 19mm Panoptic.

John Finnan


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