The latest patents from Tamron, Canon and Ricoh
→ Tamron filed a patent for a 90mm f/2.8 Macro full frame mirrorless lens.
→ Canon has a patent for a 9-18mm f/3.5-4.5 APS-C mirrorless lens.
→ Canon filed a patent for EF-M lens adapter with improved AF speed.
→ Canon filed a patent for a multi-layered AF sensor.
→ Another Ricoh patent for a 7.5-120mm f/1.6-1.9 lens design for 1/1.7" sensor.