Rather than a second tripod the RRS solution options are better. Draping a
shot filled bean bag over the lens may be the final ingredient required if
vibration/movement is the problem. Using EFCS would also be best.
http://www.reallyrightstuff.com/Quick-Release/Multi-Purpose-Rails-Packages/Long-Lens-Support-Packages
The bean bag trick (even w/o changing out for shot) really helps the Z. 50-250
sharpen up. It was an under-rated lens.
My Celestron 750/6 seems off from previous resolution . They sell artificial
"stars" and the CAT lens can be aligned by the user, so it seems Not sure if
mine needs a service visit.
Steady as she goes, Mike
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