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Dean
Post Laureate
   
Reged: 12/31/04
Posts: 4371
Loc: Bailey Co Elev 8780 feet
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Re: EM200 or NJP
07/16/08 12:43 PM
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Quote:
Realize I have heard it many times but to be sure, are those lbs. figures for imaging or visual in your opinion(s)?
The rated capacities for Taks (and other high end mounts) is considered for imaging while the capacities for the mid-level mounts like the G-11 is considered for visual use and the rule of thumb for these mounts is that the imaging capacity is about 1/2 the rated capacity.
What that means is that while the EM200 is rated at something like 35lbs and the G-11 is rated at something like 60 lbs, for imaging they are really in the same weight class (and I'd take an EM200 over a G11 in a second). That also means that while the NJP with a rated capacity of 65 lbs is really about twice that of the G-11.
Both mounts should come with an autoguider cable standard. If not, you can get an OEM one for lots of $, but I think ShoeString Astronomy has a cable (or cable & adapters) for much less.
As for tripods, there are mahogony ones in various heights that are very nice. There's also a heavy duty metal one for the NJP that I've heard good thing about (but I've never used one).
-------------------- deanrowe.net/astro
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