Digital cameras don't use film, otherwise many of their features – viewfinder, image-forming lens, aperture, flash – are the same or are closely related to film-based equipment. In fact most ‘top-end’ digital camera makers such as Nikon and Canon have made use of their host 35 mm SLR bodies for their range of digital cameras (Figure 6.1). Others take the form of a digital array sensor contained in a back replacing the detachable film magazine on a medium format SLR camera or the film holder on a view camera.
Figure 6.1 Digital image input. The ...
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