Zeiss Ikon Trona 210, 212, 214

{"overview":"The Zeiss Ikon Trona (models 210, 212, 214) is a folding bellows plate and rollfilm camera from the German maker Zeiss Ikon, produced in the interwar period of the 1920s and 1930s. On that limited evidence, a Trona today is worth a modest sum at saleroom level, but a wider price range cannot be reliably stated from the available data.","buying_guide":"Folding cameras of this era commonly suffer from pinholed bellows, sticky or slow shutter speeds, separated lens elements, and corroded film holders, so inspect the bellows in a darkened room with a torch and test the shutter at all speeds.

Generated summary, 19 May 2026 — not checked by hand; prices on this page come from the sales, not from this text.