The head part which can really move the terminator and the field of view also reproduced by the built-in camera appeared in the One Fest site - GIGAZINE

TERMINATOR VAULT - Go Behind-the-Scenes of the Terminator

Intelligent Machines – Visionaries James Cameron

Terminator head / My work in Cinema 4D, Redshift

Terminator 2 - Terminator 2 Judgement Day 1 Cameron loves to toy

The Terminator FAQ

Film Mid-Term Flashcards

Intelligent Machines – Visionaries James Cameron

TERMINATOR VAULT - Go Behind-the-Scenes of the Terminator

The Many Looks of the Terminator: Part One - IGN