Precision-engineered internal gearing for effortless and repeatable polar alignment V-style dovetail system and mounting block for quick and easy setup Latitude degree markers for accurate placement and tracking of celestial bodies 3/8 thread compatible with a wide range of popular photo tripods Included counterweight kit for balancing heavier cameras, lenses, or telescopes Maximizes the Star Adventurer's payload capacity up to 11lbs for use with heavy full-frame cameras and lenses