Sigma patents for the following lenses have now been spotted by asobinet.

• Sigma 10mm f/1.4
• Sigma 12mm f/1.4
• Sigma 14mm f/1.8

Full List of Patented APS-C lenses by Sigma and Tamron

• Sigma 10mm F1.4
• Sigma 12mm F1.4
• Sigma 13mm f/2
• Sigma 14mm F1.8
• Sigma 18-50mm f/2
• Sigma 20mm f/1.4
• Sigma 50-135mm f/2.8
• Sigma 50-140mm f/2.8
• Tamron 13mm f/1.8
• Tamron 12-50mm f/4 VC
• Tamron 60mm f/2

Patent Articles

• The Future Sigma and Tamron APS-C lenses in Patents – Vote the Lens You’d Like to Get
• The Future of Fujifilm in Patents: Full Frame Lenses Coming, X100 with 20mmF2 lens, Foldable Fuji Smartphone and More

Sigma X Mount Lenses

• Sigma 10-18mm f/2.8
  BHphoto / Amazon / Adorama
• Sigma 18-50mm f/2.8 DC DN
  BHphoto / Amazon / Adorama
• Sigma 100-400mm f/5.0-6.3 DG DN OS
  BHphoto / Amazon / Adorama
• Sigma 16mm f/1.4 DC DN
  BHphoto / AmazonUS / Adorama
• Sigma 23mm f/1.4 DC DN
  BHphoto / Amazon / Adorama
• Sigma 30mm f/1.4 DC DN
  BHphoto / AmazonUS / Adorama
• Sigma 56mm f/1.4 DC DN
  BHphoto / AmazonUS / Adorama

Patent Details