Having received a TeleVue TV-60 for Christmas, I was on the hunt for a way to mount it piggyback on my 8 SCT. I also wanted the ability to adjust it separately from the main telescope.
At first look, I wasn’t impressed. The adjusters were fairly crude. A small knob on each side of the adjuster for RA that are placed into grooves on the telescope dovetail. The Dec adjuster is a small knob on top, that requires loosening of a lockdown knob to adjust.
The lockdown knob is really hard to tighten sufficiently, since it has small notches that slip in my fingers.  Once I figured out how to get fairly decent adjustments on the RA and Dec, which takes a bit of trial and error, it appeared it would work for me.
Now it was time to mount it onto my 8” SCT. I removed the standard finder bracket and replaced it with the TeleVue finder bracket. Fit perfectly. Then I mounted the X-Y mount onto the finder bracket and tightened the holding knob. I then mounted the TV-60 to the mount. Everything looked good, until I attached the camera to the back of the TV-60. The mount shifted, down in the back.  I appraised the situation and found that the finder bracket was the culprit.  No matter how tight I tightened the holding knob, nothing helped. Heck, my standard finder didn’t do that. All of the sudden, I have a worthless mount for my TV-60. Actually the only part that was worthless was the finder bracket assembly. So I looked around and decided I could mount the X-Y mount to a Losmandy dovetail mount using the universal mount. This did require some modification to the universal mount and the X-Y mount.
Over all, I would say the mount is a usable mount, however, I would suggest either using a dovetail similar to what I am doing or get a piggyback camera mount and attaching the TV-60 that way, rather than going with the finder bracket mount this was designed for.

From: Wayne Gay | Created on: 10/16/2009 1:48:45 PM