Quote Originally Posted by Tom Kershaw View Post

Are Franke & Heidecke the hardware / camera manufacturer, or is that too simplistic?

That's too simplistic. You have the company above, manufacturing MF TLRs and SLRs and projectors, but also Rollei Metric who also manufacture cameras (for photogrammetric use and only digital by now). The third company does only name licensing and rebranding.