When your tripod is not equipped with an accurate spirit level, this convenient plate fits between your BH-55 ballhead and your tripod platform and gives a true level reading for the base of your ballhead.
- Fits snugly between your BH-55 ballhead base and the tripod platform.
- Includes an accurate 15mm acrylic circular spirit level sensitive to 30 minutes of angle.
- CNC machined from 6061T aluminum.
- Individually calibrated on super-level granite surface plate.
- Degree marks on BH-55 panning base remain visible.
- Use with any ballhead with base diameter no larger than 2.9" (73mm).
- Use with any tripod with platform diameter no larger than 3.25" (82.5mm).