Sony 300PF Operating Instructions Manual page 33

If using a lens with a 6-pin connector
This camcorder head has a 12-pin LENS connector. If
the lens cable has a 6-pin connector, fit an adaptor
cable: LO-612 (manufactured by Canon) or ECF-124
(manufactured by Fujinon) or equivalent.
If using a 2 / " lens
3
Fit the lens using the optional LO-32BMT
adapter.
Fitting optional filters
Loosen the lens hood fixing screw to remove the lens
hood, then attach the filter.
2
/ " lens
3
Remove lens hood
Filter (optional)
Lens hood fixing screw
Chapter 2 Fitting and Connections
33