Jump to content

  •  

CNers have asked about a donation box for Cloudy Nights over the years, so here you go. Donation is not required by any means, so please enjoy your stay.

Photo

Orion ST80 is back

  • Please log in to reply
118 replies to this topic

#1 belgrade

belgrade

    Viking 1

  • -----
  • topic starter
  • Posts: 574
  • Joined: 05 Oct 2007
  • Loc: Far North SA, TX

Posted 04 November 2020 - 09:49 PM

Just received an email from Orion. The good old Short Tube 80 in 4 different offerings is again available. Here is the link (I hope it’s not a violation of the rules here): https://www.telescop..._cPFYvjhphYavUw

I’m in no way affiliated with Orion.
  • Jon Isaacs, Traveler, Corcaroli78 and 11 others like this

#2 alphatripleplus

alphatripleplus

    World Controller

  • *****
  • Moderators
  • Posts: 118,300
  • Joined: 09 Mar 2012
  • Loc: Georgia

Posted 04 November 2020 - 09:53 PM

Wow, I didn't think it was coming back!


  • Jon Isaacs likes this

#3 lxr4345

lxr4345

    Explorer 1

  • *****
  • Posts: 80
  • Joined: 29 Jul 2020

Posted 04 November 2020 - 10:45 PM

I've been thinking about a wide field scope for a while and then this landed in my mailbox. I almost immediately hit the 'order now's button but....then I saw that it only has a 1.25" focuser. Is there any easy way to swap it out for a 2"?

Also, how's the CA on it? Given the specs I'd expect quite a bit.

#4 petert913

petert913

    Skylab

  • *****
  • Posts: 4,387
  • Joined: 27 May 2013
  • Loc: Silverton, OR

Posted 04 November 2020 - 11:12 PM

If the tube is the same diameter as before, then GSO and Scopestuff have nice 2” Crawford focuses that swap right in. 


  • jcj380 and BFaucett like this

#5 John Carlini

John Carlini

    Messenger

  • *****
  • Posts: 423
  • Joined: 10 Sep 2018
  • Loc: Northern Wyoming

Posted 04 November 2020 - 11:53 PM

It would probably make a good guide or finder scope. I built a similar rich-field-telescope about 40 years ago for grab-n-go...



#6 SpaceConqueror3

SpaceConqueror3

    Viking 1

  • -----
  • Posts: 911
  • Joined: 19 Sep 2013
  • Loc: Phinney Ridge, Seattle, WA

Posted 05 November 2020 - 12:26 AM

I've had mine for nearly 24 yrs. It's amazing how much more inexpensive it is now versus then...

 

ST80 Arco, ID Solar Eclipse

Edited by SpaceConqueror3, 05 November 2020 - 12:26 AM.

  • stevew, Sergey Stern, nicknacknock and 4 others like this

#7 Bowlerhat

Bowlerhat

    Viking 1

  • *****
  • Posts: 958
  • Joined: 05 Jun 2019
  • Loc: Melbourne, Australia

Posted 05 November 2020 - 12:50 AM

I wponder what's changed, lots of alternatives now with skywatcher and meade.



#8 Celerondon

Celerondon

    Explorer 1

  • *****
  • Posts: 88
  • Joined: 16 Mar 2016

Posted 05 November 2020 - 01:13 AM

Any competition for this small achromat better be fully equipped. This one comes with everything but a mount.

Here is the packing list:

80 f5 OTA
8x40 finder scope with bracket
Tube rings, pair
Dovetail bar
25mm Sirius Plossl eyepiece
10mm Sirius Plossl eyepiece
90-degree mirror star diagonal

It looks like the original with a bare tube (no tripod foot). I wonder if that focuser is made of metal? The price looks good to me.

#9 Bowlerhat

Bowlerhat

    Viking 1

  • *****
  • Posts: 958
  • Joined: 05 Jun 2019
  • Loc: Melbourne, Australia

Posted 05 November 2020 - 01:42 AM

Any competition for this small achromat better be fully equipped. This one comes with everything but a mount.

Here is the packing list:

80 f5 OTA
8x40 finder scope with bracket
Tube rings, pair
Dovetail bar
25mm Sirius Plossl eyepiece
10mm Sirius Plossl eyepiece
90-degree mirror star diagonal

It looks like the original with a bare tube (no tripod foot). I wonder if that focuser is made of metal? The price looks good to me.

It's metal (at least in photos). looks really similar to meade's and skywatcher, I think they're the same. White tube looks good though



#10 shohin

shohin

    Explorer 1

  • *****
  • Posts: 89
  • Joined: 06 Oct 2016
  • Loc: Southern California

Posted 05 November 2020 - 01:59 AM

It looks like the original with a bare tube (no tripod foot). I wonder if that focuser is made of metal? The price looks good to me.

They claim the focuser is aluminum.  From their page for the OTA:

 

"- Its 1.25" aluminum rack-and-pinion focuser has excellent drawtube rigidity with ZERO flexure. Drawtube collar allows attachment of autoguider camera or accessories via their 1.25" nosepiece with dual thumbscrew lock-down or via direct, ultra-secure T-thread attachment."



#11 Jon Isaacs

Jon Isaacs

    ISS

  • *****
  • Posts: 88,205
  • Joined: 16 Jun 2004
  • Loc: San Diego and Boulevard, CA

Posted 05 November 2020 - 04:40 AM

They claim the focuser is aluminum.  From their page for the OTA:

 

"- Its 1.25" aluminum rack-and-pinion focuser has excellent drawtube rigidity with ZERO flexure. Drawtube collar allows attachment of autoguider camera or accessories via their 1.25" nosepiece with dual thumbscrew lock-down or via direct, ultra-secure T-thread attachment."

It looks like the same metal focuser as before. The intermim version had a very different focuser.

 

 

Also, how's the CA on it? Given the specs I'd expect quite a bit.

 

There is considerable CA at high powers.  This is a scope best used at low magnifications. For use during the day, only removing the central cap reduces the aperture to 42mm and does wonders for the CA.  It also works amazingly well for viewing the phase of Venus.

 

There's considerable field curvature with a 2 inch eyepiece like the 31mm Nagler. 

 

Jon


  • doctordub, Sarkikos and tomwall like this

#12 CHASLX200

CHASLX200

    ISS

  • *****
  • Posts: 20,883
  • Joined: 29 Sep 2007
  • Loc: Tampa area Florida

Posted 05 November 2020 - 06:36 AM

It looks like the same metal focuser as before. The intermim version had a very different focuser.

 

 

There is considerable CA at high powers.  This is a scope best used at low magnifications. For use during the day, only removing the central cap reduces the aperture to 42mm and does wonders for the CA.  It also works amazingly well for viewing the phase of Venus.

 

There's considerable field curvature with a 2 inch eyepiece like the 31mm Nagler. 

 

Jon

I could not live with the F/C in mine. It made a great finder.



#13 Jon Isaacs

Jon Isaacs

    ISS

  • *****
  • Posts: 88,205
  • Joined: 16 Jun 2004
  • Loc: San Diego and Boulevard, CA

Posted 05 November 2020 - 07:08 AM

I could not live with the F/C in mine. It made a great finder.

 I am a pragmatist.  If I want the 6.6 degree field that comes with an ST-80 and the 41mm Panoptic, I accept that field curvature is going to be part of it.  

 

But recently I bought a TSFLAT 2 which is a field flattener that can be used visually.  Whether it works with the ST-80, I don't know, but I will give it a try.

 

Jon


  • paul, Sarkikos, BFaucett and 2 others like this

#14 CHASLX200

CHASLX200

    ISS

  • *****
  • Posts: 20,883
  • Joined: 29 Sep 2007
  • Loc: Tampa area Florida

Posted 05 November 2020 - 07:15 AM

 I am a pragmatist.  If I want the 6.6 degree field that comes with an ST-80 and the 41mm Panoptic, I accept that field curvature is going to be part of it.  

 

But recently I bought a TSFLAT 2 which is a field flattener that can be used visually.  Whether it works with the ST-80, I don't know, but I will give it a try.

 

Jon

FC bothers me most while sweeping as out of focus stars are coming and going out of the FOV. Same for Coma in a Newt.



#15 Tom Stock

Tom Stock

    Viking 1

  • *****
  • Posts: 588
  • Joined: 27 Jun 2010
  • Loc: Saint Augustine, FL

Posted 05 November 2020 - 09:59 AM

I just got one of these (original version used) and with a GSO 2 speed focuser it feels like a totally different instrument. I love mine!  I stop it down for planets and the moon though.  Could easily see detail on mars, and the double cluster fits easily in the FOV as well as pleades.

Attached Thumbnails

  • IMG_0562.jpg

Edited by Tom Stock, 05 November 2020 - 06:19 PM.

  • Jaimo!, graffias79, NikhilJoshi and 3 others like this

#16 trumpetpa

trumpetpa

    Explorer 1

  • *****
  • Posts: 82
  • Joined: 01 Sep 2008

Posted 05 November 2020 - 11:25 AM

I would assume these are newly manufactured, but exact same specs? Mostly concerned with focuser replacement. 



#17 Douglas Matulis

Douglas Matulis

    Vostok 1

  • *****
  • Posts: 178
  • Joined: 05 Aug 2010

Posted 05 November 2020 - 12:05 PM

Wow, that RS TRS 80 model III or is it IV, brings back memories!


  • mattyfatz, CharlesC, Tom Stock and 1 other like this

#18 Ihtegla Sar

Ihtegla Sar

    Viking 1

  • -----
  • Posts: 759
  • Joined: 02 Apr 2019
  • Loc: Pacific Northwest

Posted 05 November 2020 - 12:54 PM

Well shoot.  I just bought one of the last available Meade Adventure Scopes (most places are out of stock right now but I found one at Woodland) so I could add my 2" focuser and do all the other mods people do to these (darken lens edges, flock tube, etc.). 

 

The Meade Adventure Scope is about thirty bucks cheaper but I might have preferred to have a genuine ST-80, although it appears the only difference between the two is the color of the paint.  Everything else looks identical, including the metal focuser, which I am planning on removing anyway.  But that white tube sure does look nice.  


  • BFaucett likes this

#19 tony_spina

tony_spina

    Gemini

  • *****
  • Posts: 3,107
  • Joined: 14 Jun 2004
  • Loc: So. Cal.

Posted 05 November 2020 - 01:07 PM

Long live the ST80 rockon.gif


  • Jon Isaacs, HellsKitchen, niteskystargazer and 6 others like this

#20 alphatripleplus

alphatripleplus

    World Controller

  • *****
  • Moderators
  • Posts: 118,300
  • Joined: 09 Mar 2012
  • Loc: Georgia

Posted 05 November 2020 - 03:37 PM

Hmmm,  I saw it on Orion's website yesterday, but I can no longer find the ST80, and the link in the first post doesn't seem to work now. Maybe a temporary glitch?



#21 trumpetpa

trumpetpa

    Explorer 1

  • *****
  • Posts: 82
  • Joined: 01 Sep 2008

Posted 05 November 2020 - 03:46 PM

I don't think it's a glitch - I got a shipping notice



#22 Ihtegla Sar

Ihtegla Sar

    Viking 1

  • -----
  • Posts: 759
  • Joined: 02 Apr 2019
  • Loc: Pacific Northwest

Posted 05 November 2020 - 04:11 PM

Hmmm,  I saw it on Orion's website yesterday, but I can no longer find the ST80, and the link in the first post doesn't seem to work now. Maybe a temporary glitch?

Try it again.  The link is working for me.  I also got a fancy email from Orion yesterday announcing the reintroduction of the ST-80 so the reintroduction is very real.  Sounds like they may have had a temporary glitch in their website but it seems to be working now.


  • BFaucett likes this

#23 belgrade

belgrade

    Viking 1

  • -----
  • topic starter
  • Posts: 574
  • Joined: 05 Oct 2007
  • Loc: Far North SA, TX

Posted 05 November 2020 - 05:12 PM

No glitch. The link - and the site - work just fine.

#24 Tom Stock

Tom Stock

    Viking 1

  • *****
  • Posts: 588
  • Joined: 27 Jun 2010
  • Loc: Saint Augustine, FL

Posted 05 November 2020 - 06:20 PM

Hope the wait time for the ST80 isn't as long as the wait time for the XT10i.  I've been waiting since March for my XT10i.


Edited by Tom Stock, 05 November 2020 - 06:20 PM.


#25 Mitchell M.

Mitchell M.

    Vostok 1

  • -----
  • Posts: 197
  • Joined: 14 Jan 2008
  • Loc: Mountains of Western NC

Posted 05 November 2020 - 08:16 PM

Probably need to give them a call. I ordered my xt10i in late May/early June and got it the first week of July.




CNers have asked about a donation box for Cloudy Nights over the years, so here you go. Donation is not required by any means, so please enjoy your stay.


Recent Topics






Cloudy Nights LLC
Cloudy Nights Sponsor: Astronomics