Tamron Patent for 28mm, 50mm and 60mm f/2.8 Lenses for Sony FE-mount
Tamron has filed a patent for a several new prime lenses in Japan. The new patent describes the Tamron SP 28mm f/2.8 VC, SP 50mm f/2.8 VC and SP 60mm f/2.8 VC lenses designed for...