Sigma 30mm f/1.4 Contemporary DC DN Lens (for Sony Alpha E-Mount Cameras)
Quick thoughts on the Sony A7 and A7R – Ming Thein
Sigma 30mm 1.4 DC DN Contemporary Lens for select Sony APS-C E-mount cameras Black 302965 - Best Buy
Sigma 30mm f/1.4 E-mount lens to ship on March 17 in Europe for 399 Euro (£299) – sonyalpharumors
First real world images of the new Sigma E-mount lenses mounted on the Sony – sonyalpharumors
Tamron might be the most forward-thinking lens manufacturer right now
sonyalpharumors – Page 628 – Sony Digital Camera News
LEAKED: Full size image of the new Sigma 50mm f/1.4 lens – sonyalpharumors
Confirmed: This is what Sony will announce on November 7th
sonyalpharumors – Page 871 – Sony Digital Camera News
Sony LA-EA4 Adapter Review
Sigma 30mm f/1.4 Review (For Canon & Sony E-Mount)
Sigma 20mm f/1.4 Art Lens on the Sony a7II and Canon 5DII, a user review w/ @adorama