Spare mounting screws for the PL mount of Blackmagic URSA Mini Pro cameras. The PL mount is held on the camera body by five M2.5 × 22 mm screws with a 2 mm hex socket, which are not used with any other mount. The URSA Mini Pro mount is interchangeable, so the screws are loosened often and easily lost.
Spare mounting screws for the PL mount of Blackmagic URSA Mini Pro cameras. The PL mount is held on the camera body by five M2.5 × 22 mm screws with a 2 mm hex socket, which are not used with any other mount. The URSA Mini Pro mount is interchangeable, so the screws are loosened often and easily lost.
Original screws that hold the PL mount on the camera body.

Lenses cost more than screws. A properly tightened mount holds the lens exactly on axis.
The PL mount is held by five M2.5 × 22 mm screws with a 2 mm hex socket. These screws are exclusive to the PL mount and cannot be swapped with those of other mounts.

The URSA Mini Pro mount can be changed between EF, PL, F and B4, and shims may be added under it to adjust the flange focal distance. Tighten the screws with a 2 mm hex key, ideally a torque wrench set to a maximum of 0.45 Nm, evenly and in the specified order. Some screws can only be reached after turning the PL locking ring. Overtightening can damage the thread and the mount.
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