Posted 19 November 2012 - 07:14 PM
Posted 19 November 2012 - 08:57 PM
The older Nexstars (if not all) if the handset has not been upgraded, uses the level and north alignment that meade sued them over. I got used it so I prefer it.
The NexStars did not goto as fast as the new ones so the are a LOT quieter. Speed or noise. Pick your poison.
Tripod seems better on the newer units. Other than that I don't really know them all that well.
Posted 19 November 2012 - 10:50 PM
Con's - tripod is just ok (the CPC model is a bit heavier), mounting the scope on the tripod can be finicky (it's a bit easier with CPC ... the fix for the NS11 is a Starizona Landing Pad), clutches can over time run out of adjustment and Alt clutch lever can be broken with too much pressure.
NS11 GPS scopes can be upgraded with a v4 or V5 hand controller. This is both a good and bad thing. You gain all the NexStar firmware improvements (Jnow positioning, bit better goto accuracy, etc.) but as Ron said you loose the very convenient level and north capability of the Auto 2 star alignment.
If you are looking at buying one I'd first want to ensure that the optics are in great shape (minimal cleaning, and if the corrector has been pulled that it's been replaced correctly using correct spacers and properly centered).
Mechanically you want to ensure smooth movements throughout the complete range of altitude and azimuth motions. No resets due to electrical interruptions (it's very rare but the slip rings can wear and have spots where corrosion can cause voltage drop outs). Make sure the clutches can lock both axis's. The focuser should be smooth throughout it's range of motion.
If the scope had a rail system on it (and it's been removed) make sure there is no interference between the primary mirror and any bolts put back into the rear cell. The scope should also come with it's large aperture to SCT thread adapter (this is sometimes miss placed by owners when the upgrade to 2" visual backs or external focusers).
Generally though if an NS11 hasn't been futzed with (technical term of someone who's taken the scope apart and played with it) too much there is very little risk in buying a used model.
Posted 20 November 2012 - 07:42 AM
Posted 20 November 2012 - 11:14 AM
Kinda hard to wear these guys out(NS or CPC). I think that the biggest deal is whether you want a warranty or not so you are talking new or used. If you are talking strictly used out of warranty scopes I'd score on the NS scope just to avoid the cord wrap feature and the level north. But it really depends on your hot buttons. Some folks appreciate the faster slew speeds so the CPC would make more sense for them.
Other than those points, it could come down to deciding between two particular scopes instead of model lines. A scope in very good condition at a good price would trump a well used and tired model of either version.
Posted 20 November 2012 - 03:55 PM
Posted 20 November 2012 - 06:36 PM
Posted 20 November 2012 - 07:05 PM
Posted 20 November 2012 - 08:56 PM
aamilo, I already have an 8SE (my original scope)
Sorry, I missed that. Best of luck in your search.
Posted 20 November 2012 - 10:35 PM
Posted 21 November 2012 - 12:45 AM
Posted 21 November 2012 - 06:52 PM
I've gone through the same thing. I agree, it is amazing how compact and relatively light weight the bare C11 ota is.
I'm looking at the forks as a platform for something like 25x100 binoculars. One little problem is the price of good binos with right angle diagonals (don't really want to try observing with straight through models which would require the forks to be 5+ feet in the air ... lol).