TeleVue announced 8mm Ethos at NEAF 08

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tungkian
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Post by tungkian »

hi airconvent, the astrotech voyager alt az is just the rebranded GSO alt az mount that i posted a short review with pics on a few weeks back..try searching for GSO altazimuth mount on the forums..
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Airconvent
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Post by Airconvent »

tungkian wrote:hi airconvent, the astrotech voyager alt az is just the rebranded GSO alt az mount that i posted a short review with pics on a few weeks back..try searching for GSO altazimuth mount on the forums..
Thanks Tungkian
I found the post and shifted it to the "review" section. Do upload more pics so we can compare this with the porta-mount.
cheers!
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ivanong
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Post by ivanong »

Once again, off topic- I just got the Astro-Tech Voyager in yesterday (I purchased it as a NEAF demo at 20% discount and they shipped it to me free (nice!). I already have the Porta mount with a TV-76 on it. The Porta is good, but it is let down by a very weak and inadequte tripod. With the legs extended, the Porta is quite a bit shaky. I asked the Vixen rep at NEAF about it and he shrugged his shoulders and said they were trying to maintian a price point and a sturdier tripod would be more expensive. Which is strange becasue both the Porta and the Voyager are made in China. The Voyager is bigger and has a sturdier tripod and it was, until recently, so much more cheaper than the Porta! I guess Vixen takes more margin than Astro-Tech.

Anyway, I will test out the Voyager and share some thoughts. My intent for getting the Voyager was to be able to use my Traveler for a quick grab and go scope. The Porta would have been quite stressed carrying the Traveler.

Ivan
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acc
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Favourite scope: Mag1 Instruments 12.5" Portaball

Post by acc »

Canopus Lim wrote:CC,
What's your astig level? For 8mm with a f/5 scope it will give an exit pupil of 1.6mm.

From my own experiment based on my eye of astig 100 (diopter 1.0), 2mm exit pupil is the max that I can use without wearing glasses. Therefore if your astig is 100 or 125, you will not need to use Dioptrx for the 8mm Ethos.
My astig is quite bad so for a 13mm ep, it definitely needs correction :(
We do it in the dark...
Portaball 12.5"
Takahashi Mewlon 210
William Optics 110ED
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