This adaptor screws onto the top front of your RRS or Wimberley lens foot to allow the B91-B flash bracket to be used with 400mm/f2.8 telephoto lenses.
Note about clearance: The FB-A600 raises the clamping surface for the flash arms by 6/10ths of an inch (.600"/15.2mm). There must be, at minimum, 5/8-inch of clearance from the surface of the plate to the barrel of the lens.
Raises clamping surface for flash arms by 6/10ths of an inch (.600" / 15.2mm).
What's in the Box?
FB-A Dovetail adapter
2x Button head screw, stainless steel, ¼"-20 x 3/8"
5/32" Hex key
Weight: 0.8 oz / 23g
Special adapter for increasing height clearance of our B91 flash bracket to work with 400mm/f2.8 telephoto lenses.