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Equipment Discussions >> Eyepieces

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xcy
sage


Reged: 05/15/06

Loc: Europe
Sky-Watcher Planetary WA? new
      #5433072 - 09/21/12 04:25 PM

Is anyone using the following eyepiece and can comment about its performance?

Sky-Watcher Planetary WA

The same eyepiece is sold under other brands too.


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BillP
Postmaster
*****

Reged: 11/26/06

Loc: Vienna, VA
Re: Sky-Watcher Planetary WA? new [Re: xcy]
      #5433080 - 09/21/12 04:36 PM

Looks to be the TMB Planetary line rebranded. Can't imagine the performance would be any different.

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xcy
sage


Reged: 05/15/06

Loc: Europe
Re: Sky-Watcher Planetary WA? new [Re: BillP]
      #5434484 - 09/22/12 01:38 PM

What sort of performance should I expect from these eyepieces? Especially from the 7mm and the 5mm?

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BillP
Postmaster
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Reged: 11/26/06

Loc: Vienna, VA
Re: Sky-Watcher Planetary WA? [Re: xcy]
      #5434648 - 09/22/12 03:30 PM

The performance of this design (lots of rebrandings) is fair to perhaps good I would say, depending on the application. They have a reputation of having a little softer image than one would expect or at least compared to a typical quality ABBE Ortho. They also have a reputation of having a little bit of flare when a very bright star or planet in near the FOV. Scatter is a little under-par so would put it at moderate level. Eye relief is fairly comfortable though at around 16mm and it has a twist up eye guard which is nice. They are usually advertised as having a 60 deg AFOV but more usually they are around 58 degrees.

I think calling them a "planetary" is a stretch, however a fairly good general purpose eyepiece with wider AFOVs than the typical Plossl. Think of them as a solid "basic" eyepiece that is comfortable. Nothing to write home about, but also nothing to overly complain about, especially given their typical $50 price.


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