Can I suggest you hold off an that EQ6 purchase and make sure you are getting the EQ6 Pro with skyscan as seen here:
http://www.skywatchertelescope.net/Pro.html
The new pro series mounts are better built and have better gears with lower PE. Much better for Astrophotography.
Im tipping the 1695 is for the old EQ6 (Black Version)
Best Regards
Chris Venter