Really Right Stuff BH-55 Review

NameRRS BH-55 Screw
TypeBall Head
Stiffness About Vertical Axis14221 +/- 84 Nm/rad
Stiffness About Radial Axis6438 +/- 48 Nm/rad
Retail Price$445
Weight1.92 lbs (0.872 kgs)
Manufacturer weight rating50 lbs (0.4kgs)
Maximum Height3.5 in (8.9 cm)
Base Diameter2.8 in (7.1 cm)
Ball Diameter55 mm
Tension Controlyes
Panning Lockyes
Quick ReleaseArca Clamp
NameRRS BH-55 Lever
TypeBall Head
Stiffness About Vertical Axis12636 +/- 91 Nm/rad
Stiffness About Radial Axis5909 +/- 27 Nm/rad
Retail Price$489
Weight1.96 lbs (0.89 kgs)
Manufacturer weight rating50 lbs (0.4kgs)
Maximum Height3.5 in (8.9 cm)
Base Diameter2.8 in (7.1 cm)
Ball Diameter55 mm
Tension Controlyes
Panning Lockyes
Quick ReleaseArca Clamp