Prepare a clean container for putting this once it has been removed

This section is the iris and optical stabilisation.

Using a PH0 ScrewDriver remove the 4 screws in the metal body (not the 3 screws in the plastic part)

Screws: 4@ M1.4 x 4mm Wafer head with threadlock

Lift the iris section off the body and place in clean box and seal.