BH50C40 50mm Professional Ball Head for Mirrorless and DSLR Cameras Sony A7R The PM501L 6-inch Plate is

The PM501L 6-inch Plate is a game changer for DSLR Videographers that shoot using Arca-Type Tripod Plates on the bottom of the camera

Max Write Speed: 730 MB/s

The controller has a time-lapse function where you can set the interval time delay from 1 second to 300 seconds

The plate has been machined from solid Aluminum T6061 block and has hard black anodized surface coating  for scratch resistant finish

BH50C40 50mm Professional Ball Head for Mirrorless and DSLR Cameras Sony A7R The PM501L 6-inch Plate isKey Features 50 lbs load capacity Arca Type Clamp C40 Version with bubble level Two 90 degree drop slots for portrait orientation Big resistance knob to adjust the tension Small friction knob to dial in the desired amount of friction (separate from the main knob) Repositionable panning knob with independent lock for precise movement Laser engraved degree markers Made in the USA 5 year warranty ProMediaGear BH50c40 Ball Head Overview The ProMediaGear