Sigma formally announced the Sigma 24mm f/3.5, 35mm f/2.0, and 65mm f/2.0 today. You can find coverage below:
Sigma 24mm f/3.5: B&H Photo / Amazon / Adorama
Sigma 35mm f/2.0: B&H Photo / Amazon / Adorama
Sigma 65mm f/2.0: B&H Photo / Amazon / Adorama
Reviews
Explora – Sigma Launches “I Series”
ThePhoblographer – The New Sigma I Series
Adorama – New Sigma ‘I’ Series Full-Frame Mirrorless Premium Compact Prime Lenses
Videos
Official Videos
Launch Event