Lumix G2 with Auto Rikenon 55mm 1:1.4 mounted via adaptor 04/02/2020 900 × 596 The Ricoh that’s a Nikon made by Mamiya – Welcome to the Ricoh Singlex Panasonic Lumix G2 with Auto Rikenon 55mm 1:1.4 mounted via F mount to micro 4/3 adaptor. Panasonic Lumix G2 with Auto Rikenon 55mm 1:1.4 mounted via F mount to micro 4/3 adaptor.