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Re: M2 vs Orion 80 ED

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  • kwkee
    ... even ... William, thanks. However, I am more concern about comparing the M2 with the SV Nighthawk. Mechanic-wise the M2 will win, but will the optics about
    Message 1 of 2 , Feb 11 9:59 AM
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      --- In William-Optics@yahoogroups.com, "williamoptics2004"
      <william@w...> wrote:
      > Hi everyone,
      >
      > Today I've received 2 sets of 80ED from Orion, after I check from
      > head to toe,here is what I think:
      >
      > 1.The Orion 80ED has better color correction than new M2 by using
      > FPL53 ED with longer focal length. (M2 F/6.2 , Orion F7.5)
      >
      > 2. The mechanical parts is quite poor with cheap painting, plastic
      > knobs and plastic dust cover,overall mechanical quality is not
      even
      > close to M2 of 50%.
      >
      > 3, Locking knob is not available on Orion 80ED also dew shield can
      > not be retract.
      >
      > 4.Some big scratch (2mm-3mm) can be seem from the inner tube and
      > baffles.
      >
      > 5.focuser does not have enough tension to hold my ST-8 CCD.
      >
      > finally,M2 is outperform Orion 80ED in every details except color
      > correction, I think Orion is quite good for the price.
      > personally, I prefer M2 for much better quality and package.
      > for ultimate performace and quality I prefer Megrez 80 triplet
      > fluorite APO.( I've save one for my own already)
      >
      > Above is just my personal opinion.
      >
      > Regards,
      >
      > William

      William, thanks.

      However, I am more concern about comparing the M2 with the SV
      Nighthawk. Mechanic-wise the M2 will win, but will the optics about
      the same?

      Thanks
      Vin
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