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Behind the Lens by Jay Holben

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1.6The Film Look— Resolution

Resolution is a term that is thrown around with reckless abandon like mashed potatoes at a food fight. Unfortunately, it’s a term that is rarely used properly.

While many people refer to resolution simply as the pixel counts in the final display image or as the number of photosites on a camera’s sensor, neither of them are actually resolutions: 1,920 × 1,080 is not resolution, it’s merely the number of pixels in an image. Likewise, the Red Epic may have 5,120 × 2,700 active photosites on its sensor, but that is not a definition of resolution, either.

Resolution is reliant upon, yet independent of, the number of photosites on a sensor and the final number of pixels within the display image.

Resolution, by definition, ...

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