EOS 1D Mk III
This 77mm P Series Filter Holder Adapter ring from Cokin screws onto the lens' front threads of the same diameter and enables the P Series Adapter Ring to attach to the P series Filter Holder
Note: Always select a helmet that meets the applicable safety standard when you use a helmet with a GoPro helmet mount
Kenko Smart Filter CPL 58mm
Vanguard QS-36 Quick Release Plate 55 MM EOS 1D Mk IIIThe QS 36 Quick Release Plate from Vanguard is compatible with select quick release bases and tripods. It has a 1 4" 20 camera screw and video pin. Compatibility ABEO 203AV, Espod 203AP, Espod 233AP, Espod Plus 203AP, Espod Plus 233AP, Espod Plus 203AB, Espod CX 204AGH, Espod 203AGH, Espod CX 204AP, Espod CX 203AP, SBH 20, PH 111V, PH 30, PH 20, PH 222, PH 304