format film and came in two versions with either a f/3.5 and a f/2.8 Tessar lens with a focal length of 60 mm. Unfortunately, sales were disappointing, so production never resumed after the war. The company management believed that many Rollei photographers only made contact prints from their negatives because they had no access to enlargers. However, this was not practical in the case of the Babyflex as the negatives were simply too small. As a result, it was not until 1957 that a new version came onto the market priced at DM355, firstly in grey, and later (from 1963) in black. By the time production ceased in 1968, over 67,000 units had been made. By this time few amateur photographers made contact prints any more, preferring instead to take 35 mm transparencies (slides), which could be viewed on a slide projector. Studio camera In 1932, Salomon Kahn, the owner of the renowned Fotostudios Kardas in Berlin, approached Rollei, asking if they could build him a large Rolleiflex for the 9 cm x 9 cm film format. Kahn explained as a pretext, that his customers liked to keep the negatives because they had doubts about the durability of prints. Moreover, roll film was much easier to archive than glass plates. In fact, Kahn had concealed the real rationale behind his request because Franke & Heidecke supported the Nazi Party in order to get the workers they needed. Fearing the consequences of leasing to a Jew, the owner of his studio had already shut off his water supply. This meant that Kahn had to develop his negatives at home, whereby roll film was easier to transport than plates. A roll film camera would also facilitate house calls. Having built a small Rolleiflex, the obvious next step was to make a larger version. Indeed, the slogan "you see what you get" had already been envisaged for it. Such a camera would make studio work more straightforward; at that time, the photographer had to stoop under a black cloth to adjust the camera, and then address the subject from this awkward position. Nevertheless, after the failure of the Babyflex, the company proceeded with caution by initially building some prototypes. One was delivered to Kahn, and the others were shipped abroad in pairs – one to be retained by the importer as a demonstration unit, the other to be delivered to a reputable studio.