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This fundamental linkage between the lens and the image sensor can be mathematically calculated and it shows that the 2/3-inch lens camera for 4K UHD will exhibit a depth of field closer to that of the Super 35mm 4K UHD lens-camera system than to a 2/3-inch HD lens-camera system – as shown in Figure 19. It is worthy of note to point out that this behavior also was manifest in the transition from SD to HD.
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