Ricoh filed a patent for a 100-300mm f/2.8-4 SR full-frame mirrorless lens

• 3 years ago
• Categories: Patents, Pentax mirrorless camera
• Tags: Pentax mirrorless camera rumors, Ricoh mirrorless interchangeable camera system

A few days ago Ricoh filed a patent application in Japan for several full-frame mirrorless telephoto lenses:

• 70-300mm f/4.5-5.6
• 100-400mm f/4.5-5.6
• 100-300mm f/2.8-4

A month ago another Ricoh patent also described sumular mirrorless lenses:

• 70-400mm
• 70-300mm
• The third 150-600mm lens described in the patent is for DSLR cameras (equipped with image stabilization)