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Equipment Discussions >> Cats & Casses

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jmiele
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Reged: 12/04/10

Re: Meade's new LX800... new [Re: Alph]
      #4820739 - 09/21/11 07:48 PM

"This thread has gotten long in the tooth and posts are running in circle."


Yes but that's because everything you just stated was perviously posted in this thread. <---smiley

Just saying'

Joe

Edited by jmiele (09/21/11 07:50 PM)


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Micheal
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Reged: 02/28/10

Loc: Corona, CA
Re: Meade's new LX800... new [Re: HCR32]
      #4846188 - 10/05/11 10:39 PM

What are your thoughts on the 14" for visual? At F/8? F/5 with optional reducer? My thought is to use a 10mm Ethos and maybe a 6mm as well. ( both at F/5 )

Or should I not buy nice eyepieces and get a dob reflector for visual?

The 14" lx800 will mostly be for imaging but sometimes I do like to spend my nights with my eye to an eyepiece


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Jared
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Re: Meade's new LX800... new [Re: Micheal]
      #4846384 - 10/06/11 01:19 AM

I would wait and see what others' experiences are. Meade lists the capacity of the new mount at 90 pounds, and you would need every bit of that for the 14". Given the weight of the mount, I am skeptical as to whether it can really handle a 14" OTA. Time will tell, but I wouldn't want to be an early adopter.

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rmollise
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Re: Meade's new LX800... new [Re: Jared]
      #4846623 - 10/06/11 07:47 AM

Quote:

I would wait and see what others' experiences are. Meade lists the capacity of the new mount at 90 pounds, and you would need every bit of that for the 14". Given the weight of the mount, I am skeptical as to whether it can really handle a 14" OTA. Time will tell, but I wouldn't want to be an early adopter.




Why would you need every bit of that? Especially for visual?


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Micheal
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Reged: 02/28/10

Loc: Corona, CA
Re: Meade's new LX800... new [Re: rmollise]
      #4846948 - 10/06/11 11:10 AM

I understand that the ota weight is tbd however I doubt it will exceed 50 pounds. The 14 inch edgehd is I think 45 pounds. Remember all you are adding is a diagonal and a one pound eyepiece for visual.

For photography you are adding the camera, filter wheel and filters, and whatever else you need for proper back focus. Oh I guess a dew shield and maybe heaters. Maybe a robofocus too. Not enough to exceed or even come close to 90 pounds.

Edit: After doing some research and learning a bit from this thread it is obvious that it will exceed my "50 pounds" statement. Looks closer to 70 pounds. I still do not believe it will be 90+

Edited by Micheal (10/06/11 12:06 PM)


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jrcrillyAdministrator
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Re: Meade's new LX800... new [Re: Micheal]
      #4846970 - 10/06/11 11:19 AM

Quote:

I understand that the ota weight is tbd however I doubt it will exceed 50 pounds. The 14 inch edgehd is I think 45 pounds.




I think you'd need to base any comparisons on other Meade optical tubes rather than Celestron models; Meade optical tubes are substantially heavier. The 14" ACF tube goes at least 75 pounds.


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jason_milani
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Reged: 09/03/04

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Re: Meade's new LX800... new [Re: jrcrilly]
      #4846989 - 10/06/11 11:28 AM

My old Meade 14" SCT weighed in at 70 lbs. bare bones, without finder diagonal or anything else added. It was too much weight for my CGE or my LXD750 so i sold it.

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Micheal
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Reged: 02/28/10

Loc: Corona, CA
Re: Meade's new LX800... new [Re: jason_milani]
      #4847031 - 10/06/11 11:52 AM

Are they heavier because they are fork mounted and there is extra weight in metal to support the OTA along both sides accounting for extra weight of accessories? The new LX800 not being fork mounted would just have a single aluminum dovetail running lengthwise and would therefore be lighter? the 10" version is 33 pounds. How does that compare to a 10" ACF. I would be interested in finding that out.

Edit: According to Meade's website the 10" ACF OTA weight is 29.46 pounds. Link to page.

Edited by Micheal (10/06/11 11:55 AM)


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jmiele
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Re: Meade's new LX800... new [Re: Micheal]
      #4847036 - 10/06/11 11:55 AM

No the OTA alone on the 14" Meade ACF was over 70 lbs.. Joe

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Micheal
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Reged: 02/28/10

Loc: Corona, CA
Re: Meade's new LX800... new [Re: jmiele]
      #4847052 - 10/06/11 12:01 PM

Quote:

No the OTA alone on the 14" Meade ACF was over 70 lbs.. Joe




Ok well according to Meade's website the 10" ACF is 29.46 pounds. OTA only. 10" info

The 14" version is 57.79 pounds. 14" info

On the 10", which is the only info they've released, it is 33 pounds for a gain of 3.5(ish).


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jmiele
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Re: Meade's new LX800... new [Re: Micheal]
      #4847436 - 10/06/11 03:36 PM

A 60 lbs OTA is 70 with a dovetail and finder, finder bracket and a dew shield. Bottom line, it's heavy....way heavy.
Joe


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Jared
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Re: Meade's new LX800... new [Re: rmollise]
      #4847509 - 10/06/11 04:23 PM

Quote:

Quote:

I would wait and see what others' experiences are. Meade lists the capacity of the new mount at 90 pounds, and you would need every bit of that for the 14". Given the weight of the mount, I am skeptical as to whether it can really handle a 14" OTA. Time will tell, but I wouldn't want to be an early adopter.




Why would you need every bit of that? Especially for visual?




I was reading the last line of Michael's post which said the 14" would mostly be used for astrophotography, but that sometimes he prefers visual. For astrophotography I would assume:

* 70 pounds for bare OTA (estimated since the actual weight isn't yet published, but it seems reasonable based on their existing 14" ACF OTA)
* Another eight pounds or so for the built in guide scope (it's still equipment being supported by the mount)
* Five pounds for a camera and connectors (some are heavier and some are lighter, but this is a reasonable middle number for a CCD camera)
* Two pounds for dovetails and finders

Total weight would be 85 pounds or so as I've described it. To me, that's "every bit" of the 90 pound capacity.

If it were being used visually only, and if you removed the guide scope, you would only need 75 pounds or so worth of visual capacity. That would provide a little headroom but not all that much. Obviously, if the 90 pound capacity is real and is a number aimed at astrophotography, a 75 pound visual load isn't going to pose any real challenges.


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AlienRatDog
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Re: Meade's new LX800... new [Re: jmiele]
      #4847533 - 10/06/11 04:36 PM

pansies...

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Micheal
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Reged: 02/28/10

Loc: Corona, CA
Re: Meade's new LX800... new [Re: Jared]
      #4847540 - 10/06/11 04:39 PM

My understanding is when a manufacturer lists load capacity of a mount the number provided does not include the items it already comes with such as the balance shaft & weights. Since Meade is including in the package the cameras and optics for those cameras I would believe the 90 pounds does not include that weight.

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gavinm
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Reged: 08/26/05

Loc: Auckland New Zealand
Re: Meade's new LX800... new [Re: Micheal]
      #4847567 - 10/06/11 04:55 PM

Im definately going to buy one - 14"

Worst comes to the worst, I'll put the OTA on a bigger mount and use the LX800 for some lighter photographic kit.


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LouHalikman
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Reged: 02/23/11

Loc: North Central Maryland
Re: Meade's new LX800... new [Re: Alph]
      #4847647 - 10/06/11 05:36 PM

I applaud the incorporation of the guide scope into the mount. I bought my 10" LX 200 15 years ago, when goto was a novelty, and some of the old grizzled veterans pooh-poohed it as a gimmick. That feature is now standard just about everywhere. I've had a 15" dob with excellent optics, but I sold it because the goto on the Meade was just so much easier and more fun. I predict that the including of an autoguider on the mount with a direct interface to the targeting-tracking computer will become standard very shortly with other companies. It's so obvious that I can't believe that nobody did it before. Hopefully it will eliminate the problems of autoguiding and make set-up a lot easier. It would have been nice to have made the guiding system with an available barlow to increase the focal length, but we'll soon see how well it works right out of the box.

I took the plunge and ordered a 12" LX 800 with the focal reducer -- I can't wait to see it! Lou


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rmollise
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Re: Meade's new LX800... new [Re: Jared]
      #4847663 - 10/06/11 05:47 PM

Quote:

* 70 pounds for bare OTA (estimated since the actual weight isn't yet published, but it seems reasonable based on their existing 14" ACF OTA)





Not to me it doesn't. The OTA won't weigh 70 pounds.


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rigel123
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Reged: 06/29/09

Loc: SW Ohio
Re: Meade's new LX800... new [Re: LouHalikman]
      #4847665 - 10/06/11 05:48 PM

Quote:

I applaud the incorporation of the guide scope into the mount. I bought my 10" LX 200 15 years ago, when goto was a novelty, and some of the old grizzled veterans pooh-poohed it as a gimmick. That feature is now standard just about everywhere. I've had a 15" dob with excellent optics, but I sold it because the goto on the Meade was just so much easier and more fun. I predict that the including of an autoguider on the mount with a direct interface to the targeting-tracking computer will become standard very shortly with other companies. It's so obvious that I can't believe that nobody did it before. Hopefully it will eliminate the problems of autoguiding and make set-up a lot easier. It would have been nice to have made the guiding system with an available barlow to increase the focal length, but we'll soon see how well it works right out of the box.

I took the plunge and ordered a 12" LX 800 with the focal reducer -- I can't wait to see it! Lou




When I bought my ETX-LS6 I knew something like this would come out! Can't wait to hear a report Lou once you receive it!


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Jared
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Reged: 10/11/05

Loc: Piedmont, California, U.S.
Re: Meade's new LX800... new [Re: rmollise]
      #4847746 - 10/06/11 06:55 PM

Quote:

Quote:

* 70 pounds for bare OTA (estimated since the actual weight isn't yet published, but it seems reasonable based on their existing 14" ACF OTA)




Not to me it doesn't. The OTA won't weigh 70 pounds.




Do you know something the rest of us don't? The current OTA weighs 75 pounds or so according to the OPT website. Is the new one supposed to be significantly lighter? Not trying to be snarky; I'm just curious whether the new OTA is different from the current ACF scopes in more areas than just focal ratio.


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jason_milani
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Reged: 09/03/04

Loc: Northeast Ohio
Re: Meade's new LX800... new [Re: rmollise]
      #4847752 - 10/06/11 07:00 PM

Quote:

Quote:

* 70 pounds for bare OTA (estimated since the actual weight isn't yet published, but it seems reasonable based on their existing 14" ACF OTA)





Not to me it doesn't. The OTA won't weigh 70 pounds.




You're thinking maybe 68-69 lbs. ?


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