Nikon NIKKOR Z 600mm f/4 TC VR S Lens (Z) - Manual (Page 39)

Filters
The lens is designed for use without filters, and can be used without a filter
inserted under most conditions. In situations in which a filter is required, an
optional 46 mm screw-on filter can be inserted in the slip-in filter holder as
described below.
Lift the slip-in filter holder tab, rotate it to (
q
), and
remove the slip-in filter holder (
w
).
39
Filters
1.