Ricoreo 16

Japanese stereo cameras (edit)

on 16mm film	CM-16 \| Ricoreo 16
23×24mm or 24×24mm	Stereo Alpen \| Asahi Seimitsu \| Inoca Stereo \| Stereo Leader \| Owla Stereo \| Stereo Pluto \| Stereo Rocca \| Stereo Sankei
24×30mm	Stecoon
3×4cm	Stereo Hit
3.7×5cm	Tokioscope
4.5×6cm	Sun Stereo
8×12cm	Idea Binocular \| Sakura Binocular Prano
3×4 and 4×4, 4×5 and 4×6.5, 4.5×6, 6×6, 6×9 and plate ->

Japanese subminiature on cine film (edit)
8mm film	Camera "A" \| Camera-Lite \| Echo 8 \| Kaitenkei
9.5mm film	Doryu 1 \| Fujica 8×11mm SLR \| Yashica Atoron
16mm film	Albert \| Beauty 16 \| Bell 16 \| Bell Kamra \| Binoca \| Camera "B" \| CM-16 \| Cyclops \| Dan 16 \| Darling-16 \| Doryu 2-16 \| Fujica 16mm SLR \| Gemmy \| Glico Pistol \| Konan-16 Automat \| Mamiya 16 Automatic \| Mica Automat \| Micta \| Minolta-16 \| Minolta-16 EE \| Minolta-16 EE II \| Minolta-16 MG \| Minolta-16 MG-S \| Minolta-16 P \| Minolta-16 Ps \| Minolta 16 QT \| Mycro Super 16 \| Mykro Fine Color 16 \| Nice \| Nikon 16 \| Poppy \| Ramera \| Ricoh 16 \| Ricoreo 16 \| Rubina \| Rubix \| Seiki 16 \| Seiki 16 (pistol) \| Shaty 16 \| Sonocon 16 \| Spy 16 \| Steky \| Golden Steky \| Teleca \| Viscawide-16 \| Yashica Y16 \| Yashica 16 EE \| Zany \| Zuman Super 16 \| Zunow Z16
unknown	Matchbox camera
roll film and other film	see Japanese roll film subminiature
110 film	see Japanese 110 film

The Ricoreo 16 is a prototype camera made by Riken around 1957, taking stereo pairs on 16mm film.

Development

The prototype was made during the development of the Golden Steky or Ricoh 16, released in 1957.^[1]

Orima Isamu (織間勇). "Rikō de tsukurareta 2-dai no sutereo-kamera 35mm-han to 16mm-han yō magajin shiyō no shisakuki" (リコーで作られた2台のステレオカメラ35mm判と16mm専用マガジン使用の試作機, Two stereo cameras made by Ricoh: a 35mm prototype and a 16mm prototype using special magazines). Kamera Rebyū: Kurashikku Kamera Senka (カメラレビュークラシックカメラ専科) / Camera Review: All about Historical Cameras no.27, December 1993. No ISBN number. Stereo World (ステレオワールド). Pp.46–7.
Orima Isamu (織間勇) and Akiyama Hideaki (秋山日出明). "Shisaku nomi de yo ni denakatta Rikō no kamera-tachi" (試作のみで世に出なかったリコーのカメラたち, Experimental-only Ricoh cameras, which were never released). Kamera Rebyū: Kurashikku Kamera Senka (カメラレビュークラシックカメラ専科) / Camera Review: All about Historical Cameras no.14, October 1989. No ISBN number. Rikō kamera no subete (リコーカメラのすべて, special issue on Ricoh). Pp.79–81.

The Ricoreo 16 prototype is not listed in Kokusan kamera no rekishi or in Sugiyama.