This forced the Ernst Leitz to design and launch special lenses for the new line of cameras, because he aimed to position it in the premium segment, for demanding photographers. In the case of images on film 135, the sharpness expected for a negative that will be enlarged, easily 10 times, rises the required lens quality too a next level. ![]() The 120 film was also gaining popularity, first with box cameras cameras and later with folding cameras, and was suitable for both: contact print or enlargements.Ī contact print requires less of a camera lens as in this process the negative will not have its shortcomings enlarged. ![]() This was at a time when much of the prints were made by contact with negative plates measuring 9 x 12, 13 x 18 cm and larger. ![]() The basic idea of the photograph in 135 film was to use the negative for enlargements. The Leicas used the 135 film, originally made for cinema, and instead of 18 x 24 mm format, typical of when the film is transported vertically like in movie cameras and projectors, Oskar Barnack designed his camera for 18 x 36 mm frames, with the film transported horizontally. After the Leica IIIg came the M line with bayonet lenses and a complete redesign. ![]() Leica IIIf is one of the latest models, the penultimate in fact, of a line and a design that began in 1913, designed by Oskar Barnack, and commercially launched in 1924 by Ernst Leitz Optische Werke in Wetzlar, Germany. – Leica III f – Ernest Leitz GmbH Wetzlar, Germany – 1951 –
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