1. Move the lever (5) to the OPEN .
2. It is recommended to degrease the lens body of the optical device (6) before installing the adaptor (2) onto the optical device.
3. Mount the adapter (2) onto the lens of the optical device (6) as far as it will go.
1. Move the lever (5) from its initial OPEN position to the CLOSE .
2. Loosen the locking screw (4) with an Allen key (S = 1.5 mm).
3. Tighten the screw (3) with an Allen key (S = 4mm). The clamping force should be 1.5-2 N·m (13.3-17.7 in-lbs) (can be checked with a torque screwdriver) to ensure tight operation of the lever (5); while the adapter should not move relative to the body of the optical device (6). If necessary, tighten or loosen the screw (3) to operate the lever (5) in the best way possible.
4. Tighten the locking screw (4) as far as it will go.