The ultimate CGEM topic ...
Posted 07 April 2009 - 05:43 PM
Posted 08 April 2009 - 12:11 AM
I am also considering getting one. My current scopes both have vixen style dovetail bars. Would it be better to replace them with the Losmandy style plates, or get the replacement saddle that ADM offers? I am mostly just trying to figure out costs. To put a Losmandy style plate on my SV 102ED, I would probably need to get rings for it to replace the clam shell. Though it looks like SV may have a plate that fits the clam shell. Either way, it seems easier to just replace the saddle, though that is not cheap.
Just got my ADM dual saddle for the CGEM and I have to say Anthony really came through on this. Way nicer than the stock saddle. The only thing that kind of annoyed me was that he moved the knobs to the opposite side. I had just gotten use to mounting the scope with them the way they were. But I think the way Anthony made them is probably the best way to go.
Posted 08 April 2009 - 11:34 AM
Posted 08 April 2009 - 02:00 PM
Since the mount doesn't care about the orientation of the dec axis and the new saddle appears to be symmetrical what is stopping you from simply rotating the saddle 180Â°?
I am not sure that would work but I have not tried it yet to see. There are marks you are suppose to line up and if rotated they would be 180 degrees apart. If you do that then during the allignment process I think the scope would slew to the opposite side of the sky when looking for your 1st allignment star. The Hand Controller lets you tell it you have a side by side plate attached but I did not see anything about reversing the direction completely.
Posted 08 April 2009 - 02:55 PM
Being 90Â° off is something different since you can just as easily be 90Â° off in either east or west directions. You use the OTA orientation function on the Celestron gems so that the mount slews the right distance and direction from the assumed starting point when using a side by side (90Â° offset) saddle configuration.
Posted 08 April 2009 - 03:35 PM
Posted 13 April 2009 - 12:00 PM
Posted 13 April 2009 - 12:19 PM
What function is this?
Posted 13 April 2009 - 02:08 PM
Under Scope Setup ... the OTA Orientation function allows you to tell the mount that you're using a side by side saddle configuration and therefore the OTAs will be turned 90Â° left or right from the default position. Then your gem can properly figure out where and how far to slew to the alignment stars when you're setting it up.
Posted 13 April 2009 - 03:24 PM
How many screws, bolts or hex-bolts attach the new ADM replacement saddle to the mount? What I'm geting at is how solid are the two mated? Thanks...
It is a very snug but perfect fit. You just remove the 3 hex bolts that hold the old saddle in place and discard them with the old saddle. New hex bolts come with the adm saddle plate.
Posted 14 April 2009 - 07:22 PM
Neither of those weights look to be machined. Perhaps simply different textures on the finish? The smaller weight looks like it uses a slightly cruder casting though.
Posted 15 April 2009 - 08:55 AM