"Equipped with Sony's latest technological gem, the IMX455 full-frame monochrome sensor, Hyperia is not only state-of-the-art but is set to remain so forever.

Our evolutionary system means you can replace the existing sensor with the latest technology on the market. You can always remain one step ahead and benefit from the very best."

Replacable but with full-frame.

If I'm not mistaken, it does mention the sensor being replaceable.