Speed graphic camera dating
The capabilities of the Leica made a new form of photojournalism possible, as typified by the Magnum photographic agency.
In 1948 the Polaroid Land Camera Model 95 was introduced. Edwin H Land invented an "instant" camera and film which did not require a separate development process as all the required chemicals were incorporated into a pod in the film.
The Autographic feature was accessible via a flap on the back of the camera.
The 'Speed Graphic' 4 x 5 inch plate camera dominated photojournalism in America during the 1930s.
It was called the Leica from the initials of "LEItz CAmera" and took pictures the size of 24 x 36 mm.
This was twice as large as the standard movie film picture (24 x 18 mm) and became the standard for 35 mm still photography.
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By the First World War this film had become the standard for movie pictures.
Several camera manufacturers attempted to use this readily available film stock but the cameras were not of a high enough quality to satisfactorily record images on this small film size.
However in the 1930's they started to appear on small roll-film cameras.
Franke & Heidecke, later known as Rollei, introduced their first Rolleiflex TLR in 1929. inches (35 mm) and sprocket holes were punched down each side for film transportation through the movie camera.