3
Carefully lift the lens mount away from the
camera body. Keep the screws safely located
close to the lens mount.
5
Place the 2 x 0.50mm shims supplied with your
Blackmagic URSA Mini B4 lens mount onto the
original 0.50mm shim. This creates the clearance
needed to optimize the flange focal distance.
7
Using a 2mm Hex driver or torque wrench set to
0.45Nm, loosely turn the six mounting screws
until initial contact is made with the shoulder of
the lens mount.
4
Note the alignment of the existing 0.50mm shim
with the alignment pin at the 11 o'clock position.
6
Carefully place the Blackmagic URSA Mini B4
lens mount onto the camera body ensuring
the registration slot is aligned with the
alignment pin at the 11 o'clock position.
8
1
6
4
Confirm the lens mount is level and correctly
aligned, then tighten the screws in the order
shown here to an even pressure without over-
tightening the screws.
Blackmagic URSA Mini B4 Mount
3
5
2
280