On Mon, Jul 20, 2020 at 05:25 PM, Michael Dolenga wrote:

Another question, is the Mach 2 base the same as a 2011 series 900GTO base? Basically, can I use the same tripod?

Michael, my standard 900 mounting plate already had the three bolt pattern for the ADATRI tripod adapter.  It was just a matter of bolting the ADATRI onto my existing 900 plate.
 
--
Dean Jacobsen
http://astrophoto.net/wp/
Image Gallery - http://astrophoto.net/wp/image-gallery/
Astrobin - https://www.astrobin.com/users/deanjacobsen/