The low photon count and high signal-to-noise ratio of dim lighting deteriorate an image, and no amount of sensor technology can overcome physics. But perhaps signal processing can…
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Not All Apertures with the Same F-Stop are the Same Size
Not all apertures with the same f-stop are the same size, so it’s a mistake to think that an f-stop tells you directly how big an aperture is. In fact, f/8 on one lens might even be bigger than f/2.8 on another. Here’s why.
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