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Equipment Discussions >> Classic Telescopes

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Datapanic
Post Laureate
*****

Reged: 10/17/09

Loc: Tucson, Arizona
A Mystery Scope!
      #3591488 - 01/29/10 01:09 PM Attachment (675 downloads)

I picked this one up locally this morning. It is an 8" f/8 with fiberglass tube, a nice mount and a Cave stand. It had a label on the mount, but it's gone now and I'm not sure what it is but it is definitely interesting!

Edit: I changed the photo to show the complete telescope

Edited by Datapanic (01/29/10 10:22 PM)


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Datapanic
Post Laureate
*****

Reged: 10/17/09

Loc: Tucson, Arizona
Re: A Mystery Scope! new [Re: Datapanic]
      #3591494 - 01/29/10 01:11 PM Attachment (260 downloads)

The mirror has been stored inside and has its own box with mounts inside it to keep it safe.

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Datapanic
Post Laureate
*****

Reged: 10/17/09

Loc: Tucson, Arizona
Re: A Mystery Scope! new [Re: Datapanic]
      #3591498 - 01/29/10 01:13 PM Attachment (239 downloads)

The mirror itself has no side markings, but the surface is sweet with no scratches and very good condition.

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Datapanic
Post Laureate
*****

Reged: 10/17/09

Loc: Tucson, Arizona
Re: A Mystery Scope! new [Re: Datapanic]
      #3591502 - 01/29/10 01:14 PM Attachment (232 downloads)

The back of the mirror has "Clark" written in pencil as well as focal length info and a sticker from Morvac Optical Coating of Signal Hill, California.

Edited by Datapanic (01/29/10 04:33 PM)


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Datapanic
Post Laureate
*****

Reged: 10/17/09

Loc: Tucson, Arizona
Re: A Mystery Scope! new [Re: Datapanic]
      #3591511 - 01/29/10 01:17 PM Attachment (269 downloads)

The cell is a 9-point suspension work of art. The mirror is secured by a cork-lined ring with set screws and then a ring (not shown) screws on top of the mirror to secure it in place. There is no indication of who made it.

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Datapanic
Post Laureate
*****

Reged: 10/17/09

Loc: Tucson, Arizona
Re: A Mystery Scope! new [Re: Datapanic]
      #3591518 - 01/29/10 01:19 PM Attachment (245 downloads)

The OTA is interesting, there is no viewfinder nor any holes to indicate one was every installed! The focuser is a huge 1.25" with motor controlled focus.

The end rings have three ears to attach the tube covers and the mirror and its cell with nice knobs. The second ring from the top secures the spider and secondary.

The tube is made out of fiberglass.

Edited by Datapanic (01/29/10 01:21 PM)


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actionhac
Post Laureate
*****

Reged: 08/09/08

Loc: Seattle
Re: A Mystery Scope! new [Re: Datapanic]
      #3591524 - 01/29/10 01:22 PM

Looks like the label just went missing. Go over the site with a magnifier? trunk of you car? freeway?

Look at the taper on that mirror and the beautiful edge.

Robert


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Datapanic
Post Laureate
*****

Reged: 10/17/09

Loc: Tucson, Arizona
Re: A Mystery Scope! new [Re: Datapanic]
      #3591526 - 01/29/10 01:23 PM Attachment (203 downloads)

The tube has rotating rings, which seem a little nicer than the Cave design. It looks like there are teflon blocks instead of 3/8" rods between the inner and outer rings. There are 6 spacer bars as well.

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Datapanic
Post Laureate
*****

Reged: 10/17/09

Loc: Tucson, Arizona
Re: A Mystery Scope! new [Re: actionhac]
      #3591530 - 01/29/10 01:24 PM

It's something else! More pics coming

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Datapanic
Post Laureate
*****

Reged: 10/17/09

Loc: Tucson, Arizona
Re: A Mystery Scope! new [Re: Datapanic]
      #3591538 - 01/29/10 01:27 PM Attachment (200 downloads)

The stand itself is definitely Cave, with some heavy duty 5/8" levelers where the caster wheels would go. Unfortunately, 2 of the knobs are missing.

Edited by Datapanic (01/29/10 04:37 PM)


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Mike Conley
professor emeritus
*****

Reged: 09/23/07

Loc: NW Ohio
Re: A Mystery Scope! new [Re: Datapanic]
      #3591545 - 01/29/10 01:31 PM

Wow, that looks great. Can't help you with identification but Congrats on the find.

Mike


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Datapanic
Post Laureate
*****

Reged: 10/17/09

Loc: Tucson, Arizona
Re: A Mystery Scope! new [Re: Datapanic]
      #3591546 - 01/29/10 01:31 PM Attachment (187 downloads)

A polar alignment scope is mounted to the RA housing. It is a 50mm objective with an Astrola 26mm Kellner that has an illuminated reticule.

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Datapanic
Post Laureate
*****

Reged: 10/17/09

Loc: Tucson, Arizona
Re: A Mystery Scope! new [Re: Datapanic]
      #3591556 - 01/29/10 01:34 PM Attachment (161 downloads)

A pair of Hurst motors drive the slow motion control on both axis. Pack rats got to the wiring and cut some so I will need to figure out what goes where.

Edited by Datapanic (01/29/10 04:38 PM)


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Datapanic
Post Laureate
*****

Reged: 10/17/09

Loc: Tucson, Arizona
Re: A Mystery Scope! new [Re: Datapanic]
      #3591561 - 01/29/10 01:38 PM Attachment (181 downloads)

The circles have illuminated magnifiers and you can also see some status lights as well as an electrical junction board. Below the status lights is a plug for some control box that is not present. The shaft housing show very nice welds.

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tim53
Postmaster
*****

Reged: 12/17/04

Loc: Highland Park, CA
Re: A Mystery Scope! new [Re: Datapanic]
      #3591578 - 01/29/10 01:43 PM

Now THAT puppy is MUCH BETTER than if it had turned out to be a Meade RG!

I could be way off here, but it looks a little tiny bit more refined than a homebuilt made from components from elsewhere. Translated into English: It looks like it was made by some limited-production outfit for someone in particular.

Do you know who the original owner was???

And now... ...and the more I cogitate and compare, the more goosebumpy I get for you:

...I bet it's an early Schaefer, or a scope based on his designs to some degree.

Check out the pics on this page for comparison:

Bill Schaefer Project

This is cool!

-Tim.


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Datapanic
Post Laureate
*****

Reged: 10/17/09

Loc: Tucson, Arizona
Re: A Mystery Scope! new [Re: Datapanic]
      #3591584 - 01/29/10 01:45 PM Attachment (190 downloads)

It also came with a nice selection of accessories. First, there is a 32mm, 24mm and 8mm EFL Brandon Vernonscope set of eyepieces with their metal storage cases. An Astrola 6mm Triplane without the base, a "30x" 1.25" with a "BL" mark inside a triangle, what looks like a Cave barlow, an older brass ocular with double crosshairs, a polarizing filter and a soft brush in a brass tube.

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Datapanic
Post Laureate
*****

Reged: 10/17/09

Loc: Tucson, Arizona
Re: A Mystery Scope! new [Re: Datapanic]
      #3591591 - 01/29/10 01:47 PM Attachment (187 downloads)

Closeup of the Brandons...

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reddog15
Carpal Tunnel
*****

Reged: 11/09/09

Loc: Wyoming
Re: A Mystery Scope! new [Re: Datapanic]
      #3591768 - 01/29/10 02:59 PM

Quote:

Closeup of the Brandons...


Those EPs are a find unto their own

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Datapanic
Post Laureate
*****

Reged: 10/17/09

Loc: Tucson, Arizona
Re: A Mystery Scope! [Re: tim53]
      #3591770 - 01/29/10 02:59 PM Attachment (124 downloads)

Quote:

Now THAT puppy is MUCH BETTER than if it had turned out to be a Meade RG!




Heh! I was thinking last night, what if it's another Cave! Well, I guess that would be better than a Meade, but it would be nice if it were a Meade, that would be something different. This is definitely different!

Quote:

I could be way off here, but it looks a little tiny bit more refined than a homebuilt made from components from elsewhere. Translated into English: It looks like it was made by some limited-production outfit for someone in particular.




I don't think this is homebuilt at all. The machining is very professional and all the knobs and even the counterweight have cross-hatched grips cut into them. It is unusual there there is no finder or guidescope mounted on the OTA. There are 4 bolt holes on either side of the focuser and another pair on the front side of the upper rotating ring that could have mounted something.

Quote:

Do you know who the original owner was???




The seller sold this to me for the original owner. Unfortunately, she is out of town for the weekend, but I think I can get more info when she comes back. She did mention that the owner was in his 70's and that another astronomy friend of the owner might go in shock if he sees this scope here on Cloudy Nights!

Quote:

And now... ...and the more I cogitate and compare, the more goosebumpy I get for you:

...I bet it's an early Schaefer, or a scope based on his designs to some degree.

Check out the pics on this page for comparison:

Bill Schaefer Project

This is cool!




I feel the goosebumps! I looked at several Schaefer telescope pictures and it does look very much like them. I sure wish that label wasn't missing! It was nowhere to be found when I picked it up.

But after looking closer at it, I did find some dates! I popped off the covers of the Hurst motors and found 1964 and 1965 stamped on the windings!


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Datapanic
Post Laureate
*****

Reged: 10/17/09

Loc: Tucson, Arizona
Re: A Mystery Scope! [Re: Datapanic]
      #3591796 - 01/29/10 03:12 PM Attachment (164 downloads)

Here's a closeup of the latitude adjustment knob and workings.

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