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Vixen porta II mount question!

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#1 Anders Asp

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Posted 21 September 2012 - 02:34 AM

Hi guys! I just wonder if this Vixen porta II mount can handle my set ups weight at around 7.5kg? My set up is an APM triplet APO 100mm f/8 light weight tube, 2" william optics diagonal + eyepeice and sometimes i will also use a bino with the setup.

I will get a little stronger tripod to make the set up more solid, do u guys think i need to make some changes to the mounthead it self or is it strong enough to handle my gear in a good way? /Thanks Anders

#2 core

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Posted 21 September 2012 - 03:14 AM

Closest experience would be an older celestron/vixen C102 (f/9.8), worked quite well on the Porta I; no stick-tion, smooth motions and slo-mo controls - only thing needed was a beefier tripod for sure.

#3 RTLR 12

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Posted 21 September 2012 - 07:12 AM

Andrs,

I mount my SV15T20 on my Porta II, but I use my CG-5 tripod to add stability. It works very well, but I think it puts the mount very close to the limit of practical use.

Stan

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#4 Kfrank

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Posted 21 September 2012 - 12:38 PM

Hi guys! I just wonder if this Vixen porta II mount can handle my set ups weight at around 7.5kg? My set up is an APM triplet APO 100mm f/8 light weight tube, 2" william optics diagonal + eyepeice and sometimes i will also use a bino with the setup.


I will get a little stronger tripod to make the set up more solid, do u guys think i need to make some changes to the mounthead it self or is it strong enough to handle my gear in a good way? /Thanks Anders


The Porta II specs at 20lbs ( about 9 Kg ) but most reports seem to indicate that it's really only good to a bit more than 1/2 of that. Your scope at 7.5 Kg ( about 16 lbs ) will be pushing the mount and you'll for sure need to upgrade the tripod to have any kind of stability.

If you already have the Porta, I'd say go for it. If not, I'd suggest buying a mount that can handle the scope better.

#5 davebuechler

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Posted 21 September 2012 - 02:56 PM

I agree with what has already been said. My AT102 is max for my PortaII and could benefit from a better tripod.

#6 GardnerPacificCA

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Posted 22 September 2012 - 12:11 AM

Which Starguy tripod is best...the HAL130 metal or wood option?....thanks!

#7 RTLR 12

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Posted 22 September 2012 - 01:48 AM

I don't have experience with either one of the Hal tripods, but wood is much better at dampening vibration than aluminum. The Vixen Berlebach tripod looks like it is worth the extra bucks.

Stan

#8 GardnerPacificCA

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Posted 23 September 2012 - 09:44 PM

Thanks Stan...appreciate the advice!

#9 Anders Asp

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Posted 27 September 2012 - 01:48 AM

Thx all for your inputs and thoughts about the qestion i had. What I will do is that I will buy the Porta mount and use it on my 80mm ED refractor and look a little more what the market has to offer for my 100mm APO refractor setup. / Anders

#10 John_G

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Posted 27 September 2012 - 06:42 AM

It handles my 90mm very well with the stock aluminum tripod. With the RACI, clamps and RDF and heaviest EP it's likely around 6-7kg total. Anything heavier than that would likely need a retrofit with wooden legs or steel tripod like RTLR's.






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