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MtnGoat
scholastic sledgehammer
Reged: 02/18/07
Posts: 917
Loc: Columbia Gorge, WA
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Re: Best for photography...Meade or Celestron 14" SCT?
08/07/08 12:12 PM
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This is fascinating stuff.
It seems to me a fork mount ought to be fairly simple to make very solid. And yet everyone here seems to agree that their factory forks for the various scopes are less than optimal. I don't get it, the forks on the LX's look pretty danged beefy for example. The pix of the massive LX16 forks look like they would be bombproof.
Is it the lack of a balanced RA moment as you get with a GEM and counterweight? The side load with a big OTA on forks that are fine with a 10" or smaller OTA?
In my reading, there are comments on the web here and there on PE for factory fork assemblies, some seem to get great shots, others don't like them. But the bulk of the complaints in all arenas does seem to center on vibration issues more than PE. It may be that due to the vibration issues, folks don't get to the point of worrying about PE as much.
My take home so far is...oddly enough, the fork systems sold with the large CATS are more a sales device to move a ready to go, compact mount system for their OTA's.. than sell a very solid, technically capable mount.
So far, wether I stay with my Z12 or go with a CAT, it looks like the single constant is a fairly expensive GEM. If that's the case, all moving to a CAT does is add $2-3K to my spending in order to get one, on top of the same mount I'd need either way. This leaves me thinking that my idea of going around the need for a new mount by picking up a forked CAT doesn't get me anywhere because I'd still need the beefy expensive new GEM.
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"Ignorant people think it's the noise which fighting cats make that is so aggravating, but it ain't so; it's the sickening grammar they use." Mark Twain
Edited by MtnGoat (08/07/08 12:14 PM)
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