Oberwerk 25/40×100 to Manfrotto Tripod Adapter - Oberwerk
Amazon.com : Manfrotto 290 Xtra Aluminum 3-Section Tripod Kit with 3-Way Head (MK290XTA3-3WUS) & 323 RC2 Rapid Connect Adapter with 200PL-14 Quick Release Plate - Replaces 3299-Black : Electronics
Oberwerk 25/40×100 to Manfrotto Tripod Adapter - Oberwerk
Amazon.com : SIOTI 323 RC2 Quick Release Plate Adapter, Rapid Connect Adapter with Quick Release Plate for Manfrotto Monopod, Manfrotto Tripod, or Other Ball Head and Tripod : Electronics
Manfrotto 200PL Quick Release Plate with 1/4"-20 Screw and 200PL