Tim Povlick's 900GTO
"Here I am pictured with a TMB Optical 152 APO on an AP-900 mount.
A Meade 102 rounds out the combination for guiding. This equipment is
an astrophotographers dream. Using the medium format camera the mount
easily handles the load. Even with hand guiding, stars are pin points.
The AP's low periodic error is clearly evident as corrections are seldom
Visit Tim's Web site