In a new interview, Sigma’s CEO Kazuto Yamaki confirmed that the company is working on a new and unique telephoto lens “that has never existed before”. Here is the video (watch at the 27:12 mark):
Phototrend published their interview with Kazuto Yamaki, CEO of Sigma Corp. Sigma is no longer making/developing new Micro Four Thirds lenses becuase of a significant decrease in demand:
Gizmodo Japan published an interview with Sigma’s CEO Kazuto Yamaki where he confirmed that the company is working on new small L-mount mirrorless full-frame lenses to fit the Sigma fp camera: