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William Optics Zenithstar ZS71 ED 2013

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Well this is interesting, I have been looking around for a new scope for a while and this may do the trick (current kit in my signature) I'm assuming there will be no issues using my modded cannon on this ?


John B

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  • 3 months later...
  • 2 months later...

regarding the finder situation when i had a ZS 71 i made a bracket to mount a 9x50 side by side, was a bit fiddly but worked, i still have the bracket but not the ZS, will find a link to my posts regarding it

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  • 2 months later...

I am looking at picking up something along the lines of this scope later this year.  Does anyone know how the ZS71 compares to the Altair Astro 70ED? http://www.altairastro.com/product.php?productid=16686&cat=270&page=1

They look almost identical in terms of spec and had almost the same review in the sky at night mag.

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  • 8 months later...
Any news on mounting a finder / guider ?

I've got one of these scopes, and whilst the optics are pretty good, though it does tend to give a purple halo around bright stars, my 2 complaints about the WO designs are the lack of a finder and a stubby dovetail which doesn't allow movement for balancing.

I have added a longer dovetail and a small mounting ring I had made previously for a Megrez, and welded a Skywatcher finder shoe onto that for a finderscope.  However I found this wasn't good enough for finder-guiding as there was some flexure and I got trails above 5min subs.  So I have had to re-jig the whole set up.

I have now removed the WO small dovetail and mounted the WO scope in a pair of ST80 rings (had to pad one out with some stiff foam), and the plan is the mount a finderguider on top of that.  

I have cured the finderguider flexure problem by mounting it in it's own mounting rings on a plate (had to buy the rings from America as I couldn't find any small enough in the UK).

I have yet to test this out.  The finderguider in it's own rings works fine on my larger scope I can now get 20 minute subs with no trailing.  


I don't as yet have a photo of the WO scope mounted in the ST80 rings.   



Edited by carastro
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