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In a recent interview with Imaging Resource, Sigma CEO Kazuto Yamaki reported that they still don’t know when they will release their new Sigma full-frame mirrorless camera with L-mount and Foveon sensor with X3 1:1:1 technology (the last report was that the Foveon camera was delayed indefinitely):
We’re still working on the Foveon technology, and we’re still working on the full-frame sensor. We had a plan to release the product, the camera with the full-frame Foveon sensor in 2020, but we found it impossible. So we continue the development of the sensor, but we cannot commit [to] when we will release the product. So the step back means we first focus on the development of the Foveon technology. Then once the sensor is ready, we will release the camera. There are two issues. The first one is there are some design errors in making the full-frame Foveon sensor. We already have several generations of the full-frame Foveon sensor prototypes. But none of them work properly because of the design error. So we have to correct the design error. The Second problem is a challenge in manufacturing. Starting from this project, we started working with a new sensor vendor. Yes, a new foundry in the US. They are based in a small city called Roseville (California), which is close to San Francisco. They were the subsidiary of NEC, a Japanese company.