
Some interesting research done by a reader (thanks Mistral75):
- In the 1960s and 1970s Asahi Optical was bigger than Canon and Nikon together
- Today, Ricoh Imaging sales (= Pentax + Ricoh Theta, GR and WG sales) are roughly half those of Leica.
This information is not exactly confidential nor something I have made up but the result of information digging and calculations:



















