Uploaded May 2025 | Updated September 2026, 10 hours ago
The latest instalment of Sigma Aizu, Japan captures the essence of Sigma’s Aizu factory—the heart of its craftsmanship and identity.
Directed by Yu Yamanaka, who previously brought Made in Aizu to life, this film marks his return a decade after the original three-part series: Chapter I (2012), Chapter II (2014), and Chapter III (2015).
With the themes of "returning to the origins" and "continuous refinement," this new film showcases Sigma as it stands today.
Director: Yu Yamanaka, Blue Documentary
Sound: Takashi Watanabe
About Sigma
sigma-global.com/en/about
The latest instalment of Sigma Aizu, Japan captures the essence of Sigma’s Aizu factory—the heart of its craftsmanship and identity.
Directed by Yu Yamanaka, who previously brought Made in Aizu to life, this film marks his return a decade after the original three-part series: Chapter I (2012), Chapter II (2014), and Chapter III (2015).
With the themes of "returning to the origins" and "continuous refinement," this new film showcases Sigma as it stands today.
Director: Yu Yamanaka, Blue Documentary
Sound: Takashi Watanabe
About Sigma
sigma-global.com/en/about










