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7881Re: EZ-Touch Mount Preliminary Comments

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  • Harry Lewin
    Mar 12, 2006
      --- In William-Optics@yahoogroups.com, "Tom Trusock" <tomt@...> wrote:

      Thanks for the info. Do you think the EZ-Touch mount would work well
      6 inch, 12lb MCT?: I'm thinking of an Alter 603. How much does the
      FS102nsv weigh and how long is it?


      > I've used the WO EZ-Touch with a couple of different telescopes
      > and feel I can comment fairly well on it's performance. I ususally
      > don't say a whole lot till I release a review, but I've been
      > a lot of e-mails about this mount, so hopefully this will help
      > answer some questions for people considering one of these for
      > purchase.
      > I've used it with the WO 105, WO 80FD, wo 66 triplet, wo 66
      > FS102nsv, and will mount my TV102 on it eventually as well but I
      > haven't gotten that far yet.
      > The WO105 and the WO66 doublet made an extremely nice combination -
      > I had a wonderful time with my 4 year old daughter one night - she
      > got to use the 105, while I'd use the 66 to look at the same
      > targets.
      > This was an ideal setup - moderate power observing with a short
      > focal length 4" scope on one side and a tiny lightweight 66mm scope
      > on the other.
      > I went to more of a "worse case senario" last night - I played with
      > my FS102nsv (which is longer and heavier) on the WO and a 66SD on
      > the other side, and spent the evening at high power looking at the
      > moon and Saturn.
      > It worked well, but balance was a bit of an issue - like with any
      > alt/az - but better than the gibralter. The discmounts - are in a
      > whole nother class, and could, for the most part, care less about
      > balance.
      > I'm not sure I'd want to put a larger load on the EZ touch than the
      > FS102 and a companion scope - at least without adding VSP's. The
      > weight and especially the length of the FS102 were the main
      > boogeymen here, but it overall it was still pretty solid, smooth
      > useable at 180x or so. The rap test gave a damping time of 4-6
      > seconds which is about what I'd expect - focusing settled down
      > within a couple of seconds (1-2 when using fine focus). Better than
      > my Gibralter, considering the weight that's on it. It's certainly a
      > lot more versitile in the telescopes you can use with it.
      > Next I took the 66SD off, and put VSP's (vibration supression pads)
      > under the feet.
      > At ~200x, with the FS102, the rap test yielded a settle time of
      > under <2 seconds. The combination of a few lbs less and VSP's
      > proved an astounding difference. When focusing - the jiggles stop
      > soon as I removed my hand from the knob.
      > At 275x (nagler 3-6 zoom on 3mm), loaded with the FS102, w/ 8x50
      > finder, 2" Diagonal and eyepiece and no scope on the other side,
      > still using VSP's, damping time from the rap test is still right
      > around 1 second. When moving the scope to recenter the target, the
      > scope stops jiggling immediately after removing your hand from the
      > telescope.
      > Overall, I consider this very good performance for a lightweight
      > alt/az mount.
      > To get this level of stability, it's I found it's VERY important
      > spread the legs as far apart as possible.
      > I'd recommend Ultrawide angle eyepieces for higher powers as items
      > just fly across the FOV of the 3-6, but the motions of the mount
      > smooth - however, unlike the DM4/6, I can't track and observe at
      > same time - the setup isn't that stable - but to be fair, I've
      > seen one that is - outside of the DM4/6. On that note, the UWAN's
      > are proving superb eyepeices, and the 4mm is highly recommended for
      > high powers with this mount. Alternately, the nagler 3.5 would
      > be a good selection.
      > The mount's not perfect. I wish the tension adjustment screws were
      > captive. You can tell when they are all the way out *before* they
      > pop out (and they haven't popped out yet) - but they get a little
      > wobbly when all the way out and that's a bit disconcerting. My
      > only other concern centered around the tray. I wish they had used
      > tray bolt that went all the way through the support, instead of one
      > that screwed into the plastic center - that would be less likely to
      > strip out at some point. Finally, the tray is a little small.
      > cut to fit 3 - 1.25" eyepieces and has three smaller holes (.965??)
      > but nothing for 2" eyepieces. All of these of these are pretty
      > minor issues.
      > Given the price, and the fact it's dual armed with Losmandy and
      > Vixen saddle plates (that covers just about everything) - I think
      > it's an excellent deal and offers great performance in a
      > lightweight, inexpensive dual armed, mount that supports both
      > losmandy and vixen dovetails - the two standards on the market.
      > Hope someone finds this of use.
      > T
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