For Sigma 150-500mm lens, mount flange at front (heel of tripod collar foot is not straight).
- Compatible with all Really Right Stuff and Arca-Swiss-compatible quick release clamps
- Moveable anti-twist flange can be mounted in six different positions in the MPR-113.
- Accepts Really Right Stuff and Wimberley flash brackets
- Double-dovetail design adds new degree of versatility
- Extra cap screws can be used as safety stops
- MPR-113 dimensions: 113mm x 38mm x 9.3mm
- Includes: Rail, moveable flange, 2 B101 screws, 4 M3x8mm screws and 2 hex key wrenches (purchase reducer bushing if adding a clamp)
- Standard Really Right Stuff 5-year warranty