The Ricohflex refers to a series of Twin Lens Reflex (TLR) cameras manufactured by the Riken Research Institute, also known as Ricoh. This line encompasses several distinct camera models, including the original Ricohflex, the pre-war Ricohflex B, and the Ricohflex (geared lens) series. Additionally, the Ricohflex name was used for cameras featuring lensboard focusing, such as the Ricohflex Dia, Ricohflex Dia M, Ricohflex New Dia, Ricohflex New Dia 2, and Ricohflex Dia L (which is also known as the Ricoh Diacord L). The Ricohflex VI is another model within the geared lens series. The Ricohflex series is known for its range of TLR cameras produced by Ricoh.