Tag Archives: Pentax DFA 70-300mm f/4.5-5.6 SR lens patent

Pentax DFA 70-300mm f/4.5-5.6 SR lens patent

Ricoh has a patent (P2018-224783) for what appears to be a new Pentax DFA 70-300mm f/4.5-5.6 SR or similar:

Posted in Patents, Pentax lenses | Tagged | 4 Comments