: Attach the custom B4 mount adapter using a star pattern to tighten the screws for even pressure.
: Align the lens pin to the top of the mount, settle it, and lock the outer ring. 3. Other Potential Matches B422112SS4 - BLTD 1-1/2" SS4 Right Angle Clamp b422.mp4
: Remove existing mounts (PL or EF) and the camera's light baffle using tweezers. : Attach the custom B4 mount adapter using