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Equipment Discussions >> Mounts

Pages: 1
Nippon
scholastic sledgehammer
*****

Reged: 10/22/09

Loc: Central Florida
Alt AZ for 4" f/8ish refractor
      #6054772 - 08/30/13 04:59 PM

I'm looking for a good steady Alt Az mount and tripod for my 103mm f/7.7 refractor. The ota weighs about 9 1/2 pounds with finder and eyepiece. I have a Porta II mount but even using it with my HAL 130 tripod it is too shaky for my taste. I would like to keep the cost under $1,000. Any recommendations?

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kevint1
professor emeritus
*****

Reged: 04/19/11

Loc: West Michigan
Re: Alt AZ for 4" f/8ish refractor new [Re: Nippon]
      #6055029 - 08/30/13 08:08 PM

Desert Sky View DSV-2 or DSV-3 on a surveyor tripod.

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dennilfloss
sage


Reged: 01/06/13

Loc: Ottawa, Canada
Re: Alt AZ for 4" f/8ish refractor new [Re: kevint1]
      #6055157 - 08/30/13 09:47 PM

The Skywatcher AZ-4 (1.75" steel legs version) is smooth and steady but it has no slow-motion control. You'd need to gently nudge the OTA but I've done it with my refractor and it works very well still at 223x.

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karstenkoch
professor emeritus


Reged: 04/21/12

Loc: GMT+9
Re: Alt AZ for 4" f/8ish refractor new [Re: dennilfloss]
      #6056012 - 08/31/13 12:58 PM

I use the Explore Scientific Twilight II and it is almost perfect for what I need. Every so often I wish it had slo-mo controls, but the truth is that it still works great (tracks smoothly and precisely) without them. It's a solid mount but still in the grab-and-go category according to my definition of G&G. I think you would be hard pressed to find a better mount that can hold more payload for less money.

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Pat at home
sage


Reged: 03/16/07

Loc: Campbellton, New Brunswick, Ca...
Re: Alt AZ for 4" f/8ish refractor new [Re: karstenkoch]
      #6056310 - 08/31/13 03:44 PM Attachment (18 downloads)

Here is an alternative that is significantly less than $1000. My ED100 (4" f/9) is in the 10 pound weight range and I have it mounted on a cheap AZ3 on which changed the legs to DIY in Oak. Totally different mount now and very suitable to the task.

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Adam Taylor
insignificant bystander
*****

Reged: 11/11/10

Loc: Arizona
Re: Alt AZ for 4" f/8ish refractor new [Re: Nippon]
      #6056483 - 08/31/13 06:22 PM

This on one of these.

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Don Taylor
professor emeritus


Reged: 07/12/09

Loc: South TEXAS
Re: Alt AZ for 4" f/8ish refractor new [Re: Adam Taylor]
      #6056497 - 08/31/13 06:32 PM

I use the Canadian Telescopes Duo-T on a Celestron CG-5 tripod. It works well with my 80mm and 102mm refractors and also the Vixen VMC200L. My 102mm refractor is quite long and heavy yet the mount is very steady

The only thing I don't like is the azimuth slow motion control does not move with the scope ( like the Porta does).


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Bill McNeal
sage


Reged: 10/07/07

Re: Alt AZ for 4" f/8ish refractor new [Re: Don Taylor]
      #6062953 - 09/04/13 04:08 PM Attachment (7 downloads)

I'm looking for an Alt-Az for an 4" f/10 achro, similar to the OP.

But it's mainly for terrestrial viewing. The Celestron AstroMaster is well within my budget at $79.95. Anyone have experiences with it?

Alternatively, is there an alt-az mount only to install on my tripod? Here's a view with my old CG-4 removed:


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terraclarke
Post Laureate
*****

Reged: 05/29/12

Loc: Just South of the Mason-Dixon ...
Re: Alt AZ for 4" f/8ish refractor new [Re: Adam Taylor]
      #6063082 - 09/04/13 05:29 PM

Quote:

This on one of these.




I second the motion. I have the UA Unistar Deluxe on a heavy duty surveyor's tripod and it handles my 4 inch F11 refractor like a dream. Easy to balance, smooth, and stable. Put the handle on it and track with one finger at 200X. The eyepiece tray is also a nice add-on.


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Ebbisham
super member


Reged: 10/02/10

Loc: Surrey, Uk
Re: Alt AZ for 4" f/8ish refractor new [Re: terraclarke]
      #6063215 - 09/04/13 06:45 PM

Like my AOK Ayo on a Berlebach tripod for my f8.6 4" scope. If you take the Ayo without encoder unit (can always be added later than you should be just ok with your budget.

The beauty is that you can have the mount on its own and if you want to add a computer you simply buy the additional unit with the encoder and install it. The encoder unit also serves as a pillar extension.

The AOK website is in German but Beat, the owner will reply to english emails.

http://www.aokswiss.ch/d/mont/ayo/ayo_mark_II/uebersicht_ayo_mark_II.html


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