With respect to the Tessar in the 6x9 Ikontas I owned one (coated) and was a bit diasppointed. This front-focussing design performs nowhere near to the tessars in the Rolleiflexes even when well stopped down. They are decent but so are the better cooke-tripplets like the Agfa Apotar if used around their optimum aperture. In a word: Don't pay a premium for famous names like "Compur" or "Tessar". A light-tight bellows and working shutter together with a clean and well aligned three-element lens may deliver everything you could ask for.colivet said:I bought a Zeiss Super Ikonta 6x9 with the 105 mm. Jena tessar type lens.
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